1、中考英语选词填空解题技巧讲解考点解读1、 思维导图形式先呈现整体框架2、 重难点（讲解）词性判断： 词性主要用法与句中位置例句名词放句首作主语动词或介词后作宾语特点：代词或冠词后需用名词Milk is my favourite drink.We cant live without air.The boy wants to have a new bike.动词放句中作谓语放句中作主语在介词后（动名词形式）在另一动词后（非谓语形式）The man enjoyed a wonderful night.Making a plan is very important.We are fond of pla
2、ying football.We hope to have another chance.形容词系动词后作表语名词前作定语The little girl seems very excited.They bought an expensive car.副词修饰动词在形容词或副词或整句句首They finally worked out the problem.Luckily, we found our way.Sam was extremely happy.介词后加名词，动名词等The young man made a living by selling newspapers.I had a go
3、od time with the family.连词并列连词：连接平行的词，短语或句子。从属连词：通常引导另一个从句We need to encourage him as well as give him a hand.The boy is late for school because he stayed up last night.典型例题【例1】A) behavious B) mad C) refused D) argued E) modern My relationship with my mother changed after I went to college. When I w
4、as at home, we 46 about many things, for example, wearing makeup(化妆) and talking on the phone. One time, before a big party, she 47 to let me leave the house. She thought my makeup was too heavy. I had to wash my face before I went to the party. I was the only girl without makeup, and I was so 48 .
5、And when I talked to my friends on the phone, my mum always shouted to tell me to hang up, and the person I was talking to could hear her. Her 49 always made me upset.A) closer to B) completely C) tradition D) together E) adviceBut after a few months at college, I changed myself 50 . I met new peopl
6、e. I started learning about history, politics, and the world. I didnt have the time or patience for long phone conversations. I stopped caring so much about things like makeup. I once went to a party with no makeup on, but I felt fine. I just laughed about it. My new way of thinking brought me 51 my
7、 mother. Now, I talk to my mother almost every day. We get along quite well. We go to movies 52 and read the same books. I tell her about my problems and she gives me good 53 . Last month, my mother helped me through a bad time. She is an amazing person. I know that now.【答案】DCBA BADE【解析】本文主要关于父母和孩子之
8、间的关系。文中作者一开始与母亲的关系较为紧张，之后当作者遇到新的朋友后，改变了自己，并且也改善了和母亲之间的关系。46题，根据前后文，判断出此处应该填写动词，选项中有两个动词，分别为argue（争论）与refuse（拒绝），refuse是及物动词，并且联系后文，应该填写argued。47题，首先判断出应该填写动词，并且根据上下文，refused是最合适的。48题，根据空格前有be动词，因此首先想到的是填写形容词。根据前后文内容，mad（生气的）较为合适。49题，空格前所有格her提示后面应当出现名词，选项中behaviors是名词并且也符合句意。50题，根据句子成份，判断出应当填写副词。而选项
9、中有两个副词：completely和together，根据上下文，completely（完全地）更为合适。51题，根据上下文，我的新的思考方式拉近了和母亲间的距离。因此填写closer to 符合句意。52题，通过句子成份判断，应为副词，together表示“一起”，符合文章内容：母女一起去看电影并且读相同的书。53题，根据词组搭配，give sb. sth. 因此填写名词。选项中advice解释为“建议”；tradition解释为“传统”。因此advice更贴切。学法点睛 1. 首先判断词性中考的选词填空由九选八改为两篇五选四，实质是降低了选择的难度。因此在做选词填空的时候，应当先从词性的角
10、度进行判断，将可能的词性筛选出来。2. 通过判断词形确定所填词或短语判断出词性后，通过对该词的适当形式进行判断，也可以帮助解题：动词谓语非谓语时态判断各类非谓语搭配to do、doing、do形容词、副词各种级的判断原级比较级最高级asas没有比较级或最高级的含义常用于比较级的短语：than,much,even常用于最高级的短语：of all the students,in the class,one of+最高级名词名词后有“s”名词后无“s”可数名词复数单数名词或不可数名词3. 通过判断词义确定所填词或短语词义判断在选词填空中，也是十分关键的。因此，在中考复习中，需要加强对高频词汇的意义的
11、积累。平时在记忆单词时，要加强英译汉的训练。掌握考纲单词以及词组的中文含义，根据上下文的情境，选择出合适的词语或短语。过关检测 巩固测试： 1. (A)A. many B. uses C. a little D. correctly E. tooMaybe everyone has trouble in learning new words. It is not easy to remember and use them 46 .The following suggestions will help you a lot. It can be a good idea to divide the
12、new words into groups according to the meanings. Thinking about the connections(联系) between words may help you to remember them. The more you practice, the better you will use them. You can also write a list of some new words. Express your ideas with them and discuss the 47 of these words as much as
13、 possible. However, there is one more thing you should pay attention to. Dont try to learn 48 many words at one time. Choose several important ones to you. Repeat their pronunciations, spellings as well as their meanings in your mind. Learn 49 every day and you will learn a lot in a few years. It is
14、 the skills that can make you learn new words easily. It is the skills that can help you know more words quickly.(B)A. out B. more C. never D. asleep E. evenA man was sitting in the doctors office. He was telling the doctor about his problem. I like football, doctor, he said. Please help me. My life
15、 has 50 been a good one since I became interested in football and it is getting worse and worse. I cant even sleep well at night. When I close my eyes, I feel as if Im 51 there in the football field running after a flying ball. When I wake up, Im more tired than I was when I went to bed. What am I g
16、oing to do? The doctor sat back and said, First of all, you have to do your best not to dream about football. Before you are falling 52 , try to think about something else. Try to think you are at a party and someone is going to give you several million dollars.Oh! the man shouted. If so, Ill be 53
17、excited and I cant close my eyes even for a short time. 2. (A)A. quickly B. get along well with C. healthier D. getting E. make fun of Lisa has always been fat. She wanted to lose weight, not only because she wanted to look more beautiful and 46 , but also because it would make life easier.For examp
18、le, it was difficult for Lisa to find ready-made clothes. She had to ask a tailor (裁缝) to make clothes that were large enough. In school, she needed a special chair that was bigger and stronger than other chairs. If she went for a walk, she got tired very 47 . She was also unhappy about the way peop
19、le treated (对待) her sometimes. “People look at me and even 48 me. Its true that Im fat, but I dont think people should treat me differently. I cant enjoy having dinner with my friends because Im afraid of 49 fatter.”Sometimes when Lisa was feeling sad, she didnt want to speak to anyone.(B)A. perform
20、ance B. difficult C. different D. any more E.practiced But now things are quite 50 . Last month her classmates were preparing for the School Art Week. Someone advised Lisa to play the lead role (主演) of the proud Queen who was tall and fat. Lisa agreed and 51 a lot.Soon after the play, Lisa became a
21、star! She did so well that everybody remembered the proud Queen. She even won the School Best Actress Award for her wonderful 52 .Now Lisa doesnt worry about being fat 53 . She believes in the English saying “Every dog has its day.” 3. (A)A. although B. if C. balance D. angry E. energyIts different
22、between western countries and eastern countries about how to keep healthy. Traditional Chinese doctors believe we need a 46 of cool yin and hot yang to be healthy. In China, herbs (草药) are the main medicine but in western countries they use pills.In China, 47 you are quiet and always tired, Chinese
23、doctors might think you have too much yin. You should eat more hot yang food. It can give you some 48 . But in western countries, doctors will check your body. They might give you some pills to cure (治愈) your disease. People who are easily nervous and 49 might have too much yang in their bodies. Chi
24、nese doctors believe they should eat more yin food.(B)A. looking up B. meaning C.what D. howE. importantIf you want to get the most out of the study of a language, you must also read for pleasure: novels, plays, travel books and so on. And in reading books of this kind the 50 thing is to get on with
25、 the reading, to try to grasp (领会) 51 the writer is going to tell you in the book as a whole. This is impossible if you stop and think over the 52 of every single word which happens to be unfamiliar. You cannot enjoy a story if you stop lots of times on every page for 53 words in the dictionary. You
26、 may even prevent yourself from understanding the story as a whole by doing this.4. (A)A. retired B. in fact C. charity D. messages E. arguedOne million copies of the seven comic strips describing Mandelas(曼德拉) life were published in South Africa. That was a part of events celebrating his 87th birth
27、day on July 18.South Africas first black president Nelson Mandela became a comic strip hero at once. This project aims at encouraging young people to read, his 46 foundation (基金会) said.We express the 47 and the values of Mr. Mandela through comics, added John Samuel, chief executive (决策者) of the Nel
28、son Mandela Foundation, Comics are a very useful way of bringing young people into reading. Comics 48 are a very powerful way to introduce literature(文学), various aspects of reading to young people. And this is our purpose here, he told a news conference.Some people 49 that Mr. Mandela should not be
29、 a comic figure. It would take a lot more than comics to demean his stature (贬低他声望),said Samuel. (B)A. various B. walking C. settled D. simply E. awardedFree energy is everywhere around us. There are many ways to make and collect energy from 50 sources(来源) like sun, wind, water, etc. But people alwa
30、ys make things difficult by not using these sources of energy. In the last few years there have been a great number of new ideas for generating(产生) energy. People suddenly realized that everyday things can be a source of energy. For example, riding a bike, running or just 51 ,etc. But, is there anyt
31、hing else that can be used for collecting energy? We 52 have to change our way of thinking if we want to change the world.So comes the idea of solar(太阳能) roadways. Are they the road of future? Why dont we use them for collecting energy?The US Department of Transportation 53 $100,000 to Solar Roadway
32、s to build the first ever Solar Road. 5. (A)A. fast B. waited C. during D. in a flash E. myselfEverybody knows that it is dangerous to cross the street without looking both ways in China. However, I had a different experience in Berkeley, a beautiful city in California, US. I didnt know what to do w
33、hen I had to cross the roads 46 my first couple of days there: I wondered whether I should let the car go first or not? Based on my old experience back in China, I would certainly let the car go. “Who wants to be knocked down by a car?” I thought to 47 . One day, I was checking for cars while I was
34、waiting to go to the other side of the road. An SUV came fast toward me, so I stopped and 48 . However, to my great surprise, the car stopped right in front of me. To be honest, I was a little confused because in China drivers usually try hard to drive as 49 as possible to cross the road before peop
35、le step out. Not knowing what to do for a moment, I saw no sign the car was going to move, so I offered a “signal” to let him go first. (B)A. Because of B. peace C. again and again D. safe E. AfterThe driver waved to me with a gentle smile, seemingly saying: “Go buddy! You first!” 50 a polite battle
36、, I gave in and walked onto the crossing first. This took place nearly six months ago, but the scene still comes back to my mind 51 . Good road-crossing manners between driver and pedestrian(行人) mean 52 , fewer accidents and most importantly, respect between people. I really hope that more Chinese p
37、eople will realize this and make crossing the street 53 for all the people. 6. (A)A. compete with B. wonderfully C. need D. through E. pay less attention to For the first time, Zhang Shengyu, a student at Laiyang Middle School in Shangdong, didnt ask her mother to buy her a new schoolbag or any new
38、pens for the beginning of the school term. “My old schoolbag can still be used, so there is no 46 to buy a new one,” Zhang said, “ Ive decided to be thrifty(节约的) from now on.” As the centre of the familys attention, many of the one-child generation do not know about the hardships of life. They somet
39、imes have no idea of the value of things. Many students would throw away pens and erasers that havent been used up and buy new ones. Some like to 47 each other to see whose clothes and school things are more expensive. The Ministry of Education released a notification(通知) on its website on Jan 20,20
40、13. It called on students to form good habits such as diligence and thrift to avoid wasting food and to 48 famous brands(品牌). Many schools consider teaching the value of money to be an important lesson and encourage their students to be thrifty.Students at No. 44 Middle School in Hebei planted many
41、fruit trees on their campus. The students learned how to cherish(爱惜) things 49 taking care of the trees. “With everyones work, we can make a difference.” said Li Dong, a student at the school.(B)F. so far G. spend H. happen I. full of J. provides For most of us in China, we only have to turn on the
42、tap to get clean water. We seldom think twice about where it comes from. Day after day, thousands of children in poor countries have to 50 hours walking for miles to collect water. Whats more, the water is dirty and can cause serious diseases, such as diarrhea(腹泻). Its hard to believe, but every 20
43、seconds a child dies as a result of a water-related disease. The international water-aid charity called Just a Drop 51 clean water to some of the poorest areas in the world, by building wells, pipelines(水管) and toilets. The charity has helped about 1.5 million people 52 .Betty, from Uganda, is just
44、one of the people who have been helped by Just a Drop. 11-year-old Betty had to walk two miles every day, carrying two heavy cans 53 dirty pond water before Just a Drop placed a well in her village. “I used to get sick from the water. Now, I dont have to walk long distances and I feel much safer wit
45、h this clean water.”7. (A)A. amazing B.raise money C.boring D.pilot E.becomeFlying into the sky at speeds of up to 100 miles per hour, a pair of nine-year-old British girls broke a record to 46 the worlds youngest wing walkers(机翼行走者)!The two girls, Rose and Flame, are cousins. They took to the sky o
46、n two biplanes(双翼飞机)，and the 47 of one of the planes was their grandfather. They completed a wing walk as the two planes flew just meters apart.After getting down from the planes，they said, “That was 48 ! It was so cool looking down and seeing all the small houses! ”Not every nine-year-old girl can
47、take on an adventure like this. Rose and Flame are braver than other girls of their age. Besides，they come from a family of wing walkers. They are deeply affected by what they see and hear.This time, the two brave girls took on the adventure, not just to break the record but also to 49 for the poor.
48、 They try to do something for the society.(B)F. expensive G. comfortable H. depends I. owns J. by himselfWhen most teenagers are learning how to work out maths problems, Kelvin Doe is teaching himself to make batteries and generators (发电机)for his neighborhood in Africa.Kelvin is only 15 years old, b
49、ut he has already created batteries and generators 50 . He used the things he picked up around the house or from litter bins to create them.“In my hometown, we don t have much electricity and batteries are 51 ,”Kelvin said. So he decided to make batteries to light up peoples homes.Kelvin also 52 a r
50、adio station. He broadcasts news and plays music for the local people. The station gets its electricity from a generator also made by him.His next project will be a windmill (风车）for electricity supply. He wants to help more families in his hometown live a happy and 53 life.提升测试：1.(A)A. suddenly B. t
51、hrough C. about D. missed E. prove “Wild Man of Shennongjia（神农架）” has long been a mystery to people. Since the 1970s, many local people have sighted the wild man in the area. From 1976 to 1981, the Chinese scientists had made three scientific expeditions(科学考察) during which they only found some indir
52、ect evidence. But recently Chinese scientists are again becoming excited 46 the fact that a large hairy animal may live in central China. Now they hope it wont be too long before they are able to 47 its existence(存在). Their confidence is the result of a new discovery of the mystery animal in Hubei P
53、rovince.Ten Chinese engineers, enjoying a holiday in a National Forest Park, were driving down a road. As their bus turned a corner, the men were 48 amazed by what they saw. Three tall animals, covered with long black hair, were crossing the road. On seeing the animal, the engineers immediately stop
54、ped and ran after them. However, when they saw how the animals moved 49 the forest with great speed and strength, they did not dare to follow any further.(B)A. collected B. study C.refuse D. rely on E. look atHowever, scientists are delighted by the discovery, because the engineers were all very edu
55、cated people and scientists feel they can 50 what they described.After the discovery, scientists returned to the forest and 51 some hair and measured footprints. About 20 inches appears to be the animals foot! Chinese scientists have now set up a special group to exchange information and make a 52 o
56、f the forest. But in the meantime, some people 53 to believe that this half-man, half-monkey exists. They will not believe that it is real until one of the animals have been caught.2.(A)A. strange B. tradition C. allowed D. turned over E. turned out A good trick doesnt leave lasting damage and alway
57、s make people laugh. It can even amaze them with its creativity. Some schools and universities have a long 46 of students playing good tricks. These tricks sometimes include some buildings and cars.The California Institute of Technology, a university in the US, has a special day on which students ar
58、e 47 to play big tricks. One time, a group of students took apart a car, moved the parts to a students room and then put the car back together next to the bed.It was a quiet evening at an American high school. Going home, the headmaster got into his car and started the engine. Its quite 48 that the
59、wheels turned, but the car didnt move! It 49 that some students had found a way to lift the car up so that its tires were just above the ground. (B)A. responsible B. later C. actually D. shocked E. amazing One morning in 2006, the staff at another American high school were 50 to find a pink car on t
60、he roof. The car even had question marks painted all over it! The staff believed that many students must have worked together to complete this. The American trick in 2006 was 51 a copy of British trick in 1958. That year, at the University of Cambridge, a car appeared on the roof of a building that
61、was five storeys high. It caused a lot of trouble for police and firefighters as they had to cut the car into pieces to get it down. They couldnt find out who was 52 , and the trick made headlines around the world. It was only five years 53 that the students in the case proved who they were and how
62、they played the excellent trick.3. (A)Ain the corner B. rude C. kindness D. introducing E. felt Tessa is eighteen years old. She remembers her time at school well. Some of it was good but some of it brings bad memories.My First DayIll never forget my first day at primary school. I 46 very nervous. W
63、e were all together and the head teacher was 47 himself. A girl next to me started asking me questions about my shoes! I wanted to listen to the teacher but I didnt want to be 48 to my new friend. So, I told her about my shoes. Suddenly, the head teacher looked at me with an angry face. “Be careful
64、when I am speaking! Go and sit 49 .”I remember feeling so silly.(B)A. practised B. used to C. really D. discussion E. impressionMy First Teacher I remember her name was Mrs. Simpson. She was 50 pretty and had a lovely smile. She had a soft voice and always wore the same dress! She seemed so nice aft
65、er that very unpleasant head teacher.Sports Day Sports day was the best day of the year! I 51 for the running race and one year I won! I always cheered my friends on when they ran their races, too.My NicknameEveryone in the class had nicknames when I was in junior high school. Some of the nicknames
66、were funny and some werent very nice. I remember they 52 call me “mushroom head” because my hair stuck out on either side. It made a lasting 53 on me. Not a good one.4. (A)A wake up B next C come down D out E addressOne morning a mailman walked up to a house. He rang the bell. A few seconds later a
67、window of the house opened, and a woman put her head 46 .What is it? she asked.Ive got a package for Mrs. Smith, the mailman said.Is it registered(挂号的) ?”The woman asked. Yes, the mailman said. Is it a big package or a small package? the woman wants to know.It is quite a small package, the mailman t
68、old her.I see. The woman thought for a minute, and then she said, Who is it from?The mailman looked at the 47 on the back of the package. “It is from Jones and Jones in London”, he said.Now the woman was very interesting. From Jones and Jones, eh? she said That is a very expensive shop. What is in i
69、t?Madam, the mailman said, becoming quite angry with the woman, I dont know. Why dont you 48 and take the package from me. Then you can open it and find out.Oh, I cant do that, the woman said.Why not ? the mailman asked.Because Im not Mrs. Smith, she said. Youve come to the wrong house. Mrs. Smith l
70、ives 49 door. (B)A small B age C large D send E think of All over the world, when people talked about English education, they may 50 public schools in Britain, especially the names like Eton(伊顿). Actually, the best known of the public schools are not public at all, but independent and private second
71、ary schools taking boys from the 51 of 13 to 18. The public school becomes a very 52 part of the whole system of secondary education. Only about 1 out of 40 English boys goes to public school and 1 out of 1,500 goes to Eton. However, it is still true that if an English parent has enough money to pay
72、 the fees to 53 his children to an independent school, he will most probably do so.5. (A)A. hides B. in fact C. true D. or E. recordNobody likes a computer virus, but at least you can get rid of it. And there is a lot of anti-virus (抗病毒) software these days. It can find a virus, fix it and you can f
73、orget about it. Unluckily the same isnt 46 for spyware. What is spyware? It is software that 47 somewhere on your computer. It collects information about what you do on the Internet and passes the information on companies without your permission (允许). If you shop on the Internet and use your credit
74、card, you should know that some spyware will 48 the information.Your computer can catch spyware through lots of ways. If you open the wrong email, 49 you visit the wrong website, spyware can download itself onto your computer. And spyware often comes with free software.(B)A. quietly B. are connected
75、 to C. allows D. problems E. slower Most spyware just collects information about your surfing habits for advertising reasons. But some spyware can be more powerful and will often make your computer 50 . “Adware” is a type of spyware which is advertising software. It makes advertisements appear now a
76、nd then while you 51 the Internet. Not dangerousbut very annoying (令人心烦的). If this is the first time youve heard of spyware, youve probably got some on your PC. Surveys have found that 90% of computers have several pieces of spyware on them. And spyware will stay on your computer for a long time, 52
77、 collecting information and sending it back to its owners. There is some anti-spyware software that will remove most of your 53 . However, some anti-spyware software is spyware itself, so be careful.6. (A)A. transport B. spread C. desire D. development E. toolWe do not know when people invented whee
78、ls. But once it was invented, knowledge of the wheel 46 quickly across the world. It is easy to move things with wheels. The first example of wheel dated from about 3,500 to 3,000 BC. The cart or wagon was the first vehicle which had wheels. At that time, they were pulled by humans or animals. Today
79、 there are still carts drawn by animals in many countries. These carts are mainly used to move things or 47 people. Around 2,000BC, the chariot(双轮敞篷马车) appeared. It moved even faster than the cart, so it soon become an important 48 in the war and later was introduced to other ancient countries, such
80、 as Egypt, Persia, Greece and Rome.The invention of wheels is very important to the 49 of new transportations. Without wheels ,the invention of bicycles, motorcycles, cars, trains, and planes may not be possible. (B)A. far from B. for lack of C. powerful D. economy E. especiallyTransportationTranspo
81、rtation means the movement of people and goods from one place to another. In history, the economy and power of a country are closely related to the efficient methods of transportation.By transportation we can get access to natural resources and promote trade. It will make a country richer and more 5
82、0 The movements of soldiers, equipment and supplies can also be realized by transportation. It is very important to a country 51 when the war broke out. Transportation systems and the routes they use have greatly influenced both how and where people live. Good transportation can help people lead a c
83、omfortable life in remote areas 52 factories. Transportation is very important to a nations 53 .Countries are trying to reduce the costs of transportating natural resources to production sites and moving finished goods to markets. It is one of the key factors in economy competition. The transportati
84、on industry is the largest industry in the world. 7. (A)A. spend B. join C. in time D. nobody E. trueJess really felt very happy. When he arrived at his seat in the classroom that morning, he found an invitation on his desk. It was from several of his classmates asking him to 46 them on a camping tr
85、ip. This was the first time he was asked to take part in an out-of-school activity. Why were they asking him now? Jess thought 47 seemed to like him. In fact, he had been so lonely that he drowned his feeling with food. As a result, he had put on a lot of weight, and this gave the kids something mor
86、e to make fun of him.Cindy, who was standing near Jess when he read the invitation, went out quickly to tell the others that the trick（恶作剧）had worked. Everyone was pleased that Jess thought that was 48 . But there was no camping trip. The whole thing was made up.At first, Cindy thought it was fun. B
87、ut later, when Jess told her that he was going to buy a sleeping bag with his savings（积蓄）, Cindy had a second idea. She knew that Jesss family had little money, and she hated to see him 49 his savings on something he would never use, but her close friends also hated to tell Jess the truth. They woul
88、d be angry with her. What could she do now?(B)A. ideas B. common C. only D. imagine E. such asEvery morning my father buys a newspaper on his way to work. Every evening my motherreads magazines at home. And every night, I look at the posters with photos of David Beckhamand Yao Ming on my bedroom wal
89、l before I go to sleep. Can we 50 life without paper or print?Paper was first created about 2,000 years ago, and has been made from silk, cotton, bamboo, and, since the 19th century, from wood. People learned to write words on paper to make a book. But in those days, books could 51 be produced one a
90、t a time by hand and they were expensive and rare. Because there werent many books, few people learned to read.Then printing was invented in China. When printing was developed greatly at the beginning of the 11th century, books could be produced more quickly and cheaply. Then more people learned to
91、read. After that, knowledge and 52 spread(传播) quickly.Today information can be received online, downloaded from the Internet rather than found in books, and information can be kept on CD-ROMs or machines 53 MP3 players. Computers are already used in classrooms, and newspapers and magazines can alrea
92、dy be read online. So will books be replaced by computers one day? I am not sure. 参考答案 巩固测试：46-49 DBEC 50-53 CADB46-49 CAED 50-53 CEAD46-49 CBED50-53 ECBA46-49 CDBE 50-53 ABDE46-49 CEBA 50-52 ECBD46-49 CAED 50-53 GJFI46-49 EDAB 50-53 JFIG 提升测试：46-49 CEAB 50-53 DABC46-49 BCAE 50-53 DCAB46-49 EDBA 50-53 CABE46-49 DECB 50-53 EBAD46-49 CAED 50-53 EBAD46-49 BAED 50-53 CEAD46-49 BDEA 50-53 DCAE
