1、课时分层作业(十七).单句语法填空1The boy about whom they often talk is very kind.2Is there any reason for which you should have a holiday?3There are different kinds of books from which you may choose.4There are very few existing studies to draw conclusive evidence on which pram design is the best.5Water is a thing
2、 without which man cant live.6We settled down in a small house in front of which lay an old tall tree.7The school in which the celebration is held lies in the east of the town.8Do you remember the day on which we entered the semifinals?9This is the man with whom I have worked together for twenty yea
3、rs.10The plan to which most people present didnt agree was called off.阅读理解As ice melts in West Antarctica，the ground beneath is quickly rising a process that could prevent the catastrophic (灾难性的)collapse of ice sheets，according to researchers.A study published in the journal Science provides a glimm
4、er (一丝)of hope for a region affected by climate change.In recent years，several studies have warned that the ice sheet，which contributes to a quarter of melted ice worldwide annually，is very easy to break up.Scientists fear even slightly melting could cause global sea levels to rise by 3 metres.Resea
5、rchers at the Technical University of Denmark set out to answer how the bedrock underneath the ice sheet of West Antarctica behaves as the ice melts.To study the land，the team analyzed data collected by highprecision GPS equipment positioned on remote rock formations in West Antarctica，which measure
6、d movements of the land down to the millimetre over a 10year period.“After a heroic effort to install and maintain the network of sensors in one of the least accessible places on the planet，the team has been rewarded with incredibly valuable data，which tell an incredible story about the Earth，” wrot
7、e Valentina Barletta.The team found that the Earth was pushing the bedrock to rise faster than expected.In 2014，the surface rose by 41 millimetres: four to five times quicker than predicted.In 100 years，the land could be up to 10 metres higher than it is currently.It is hoped that as the ice melts，t
8、he Earths crust (地壳)will bounce back much faster than previously expected.In turn，this could stabilize what the researchers described as the “catastrophic collapse” of the ice sheet.Barletta told Newsweek the ice sheet will never be stable if global warming becomes too extreme.“Reducing the greenhou
9、se gas will give the ice sheet a better chance of survival because that would allow some known and unknown feedback to create better conditions for the ice，” she said.【语篇解读】研究发现，随着冰融化，西南极洲地下部分迅速上升，这一过程可以防止灾难性的冰盖坍塌。1What happens to West Antarctica as ice melts?AThe ground beneath is getting taller.BI
10、ts ice sheets break up completely.CGlobal sea levels rise by 3 metres.DClimate change comes to an end.A细节理解题。根据第一段第一句中的“As ice melts in West Antarctica，the ground beneath is quickly rising”可知，随着冰融化，西南极洲地下部分迅速上升。故选A。2Why do researchers use highprecision GPS equipment?A.To find out whether the ice she
11、et is very easy to break up.BTo find out the connection between the bedrock and ice melting.C.To find out what really affects the speed of ice melting.DTo find out when West Antarctica will disappear totally.B细节理解题。根据第三段中的“set out to answer how the bedrock underneath the ice sheet of West Antarctica
12、 behaves as the ice melts.To study the land, the team analyzed data collected by highprecision GPS equipment”可知，研究人员使用这一设备的目的在于研究冰盖下的基岩与冰融化之间的联系。故选B。3How did the research team feel about the study result?ADisappointed.BSorry.CSurprised.DAngry.C推理判断题。根据第五段的内容，尤其是其中的“than expected” “than predicted”可知，
13、研究者对研究结果感到意外。故选C。4What should we do for the ice sheets survival?AStop the bedrock from rising.BInstall more highprecision GPS equipment.CCreate more ice for the ice sheet.DCut down the greenhouse gas.D细节理解题。根据第七段第二句中的“Reducing the greenhouse gas will give the ice sheet a better chance of survival”可知
14、，减少温室气体排放将使冰盖有更好的幸存机会。由此可知D项符合题意。.完形填空One sunny afternoon，a sevenyearold girl went for a walk.She crossed a large area of grassland into the woods before she realized that she was lost.Sitting on a rock and _1_ what to do，she began crying.After a while，she _2_ to walk along a wide path lined with ta
15、ll trees and thick bushes.When it was getting dark，she saw a small，dark wooden house.She opened the door and _3_ stepped in.Suddenly，she heard a strange noise，and she ran out of the door and back to the _4_Cold and tired，she fell asleep near a _5_The girls parents were out and her dog，Laddy，was at h
16、ome.Laddy _6_ that his mistress was in danger.He looked in the fields.But he couldnt find his mistress anywhere.However，from the ground came a _7_ scent(气味)as he lowered his head.He _8_ the scent and walked across the grassland.Barking _9_ into the air，the dog _10_ through the woods until he found t
17、he _11_But the girl was not there，so he headed back to the woods.Much to his _12_，he saw his mistress blue shirt in the distance.He jumped over some bushes and saw the little stream，where the girl was _13_When she opened her eyes and saw her dog standing beside her，the girl said，“You _14_ me，Laddy.”
18、 and she kissed him several times.Seeing their daughter and dog coming back，the parents burst into tears of _15_That night Laddy had a heros supper: a huge meal of steak.【语篇解读】本文是一篇记叙文，讲述了一个七岁的小女孩和她家的狗Laddy之间的故事。小女孩在树林里迷路了，她的狗Laddy找到了她并把她带回了家，成了英雄，得到了一大块牛排的奖励。1A.wonderingBrememberingCforgetting Dreg
19、rettingA根据上文she realized that she was lost可知，她迷路了，所以不知道(wondering)做什么。2A.preferred BexpectedCdecided DfailedC过了一会儿她决定(decided)沿着一条小路走，小路两边是高树和灌木。3A.carelessly BcautiouslyChopelessly DunwillinglyB小女孩迷路了，看到了一个陌生的房子，所以应该是小心翼翼地(cautiously)进去。4A.trees BbushesCgrasses DwoodsD根据前文中She crossed a large area
20、of grassland into the woods可知，她走进了一片树林，所以在到这所房子前是在树林里，受到惊吓，她又回到了树林(woods)。5A.stream BrockCtree DhouseA根据下文He jumped over some bushes and saw the little stream，where the girl was _可知，女孩睡在了小溪旁(stream)。6A.heard BsensedCfound DsmeltBLaddy感觉到(sensed)它的女主人有危险。女孩迷路了，说明她距离家有一段路程，所以狗只能是感觉到。7A.terrible Bstran
21、geCfamiliar DpleasantC当它低头时，闻到了一股熟悉的(familiar)气味。女孩是狗的小女主人，所以狗很熟悉她的气味。8A.missed BdiscoveredCfollowed DignoredC它跟随着(followed)气味穿过了草地。狗的天性是能跟随气味找到人，女孩走过的路会留下女孩的气味。9A.loudly BcalmlyCmerrily DgentlyA小狗Laddy要寻找迷路的小主人，因此要大声地(loudly)叫。10A.searched BlookedCwandered DtravelledA上文提到Laddy意识到小女主人有危险了，所以一路寻找(sea
22、rched)过来。11A.window BgirlChouse DheroC根据上文she saw a small，dark wooden house可知，小狗顺着树林找直到看到那个小房子(house)。 12A.sadness BdisappointmentCembarrassment DdelightD小狗在不远处看到它的女主人的蓝色衣服，因此它非常高兴(delight)。13A.awake BasleepCavailable DabandonedB根据上文Cold and tired，she fell asleep near a _可知，女孩睡着了(asleep)。14A.rescued
23、 BcomfortedCdisturbed DscaredA小狗把迷路的小主人带回了家，所以是救了(rescued)她。15A.pain BshockCsorrow DreliefD看到女儿和小狗回来了，女孩的父母留下了眼泪，如释重负(relief)。.语法填空If you go out to the fields at night in spring or summer，you can hear frogs singing 1._ (happy)here and there.It seems as if they were performing a field group singing.T
24、he frog is a good and useful creature that benefits human beings.They can catch fastmoving 2._ (insect).Each frog eats a large number of pests (害虫)that are harmful to crops.This little creature is regarded 3._ “the natural enemy of pests”But now frogs 4._ (get)fewer and fewer.This is because they ar
25、e killed and put on the table as 5._ delicious dish by their chief enemyhuman beings.It is a shameless and cruel act，isnt it?The cause that is 6._ (responsibility) for the rapid reduction of frogs is that farmers use insect killer to kill pests and frogs get killed as a result of drinking poisoned w
26、ater while 7._ (eat)poisonkilled insects.Something must be done as soon as possible 8._ (save)frogs.If we dont punish those 9._ sell and kill frogs to make money，then one day all of us 10._ (punish)by nature for failing to protect them.【语篇解读】本文是一篇说明文。介绍了青蛙是一种对人类有益的动物，但是现在青蛙越来越少了，这是因为人类把它们当成了美味佳肴，农民大
27、量使用杀虫剂，所以我们必须尽快采取措施拯救青蛙。1happily考查副词。句意：如果你在春天或夏天的晚上到田野里去，你可以听到青蛙快乐地到处唱歌。本空修饰现在分词singing，故应用副词happily。2insects考查名词复数。句意：它们可以捕捉快速移动的昆虫。insect是可数名词，空前没有不定冠词，故应使用复数形式insects。3as考查介词。句意：这种小动物被认为是“害虫的天敌”。be regarded as意为“被认为是”，故本空应用介词as。4are getting考查时态。句意：但是现在青蛙变得越来越少了。根据语境可知，本句应用现在进行时，表示现在或现在这一阶段正在进行的动
28、作。5a考查冠词。句意：这是因为它们被它们的主要敌人人类杀死，并作为一道美味佳肴摆在桌子上。dish为可数名词，此处表示“一道美味佳肴”，故本空应用不定冠词a。6responsible考查形容词。句意：导致青蛙数量迅速减少的原因是农民使用杀虫剂杀死害虫，而青蛙则是在食用毒死的昆虫的同时饮用有毒的水而被杀死的。be responsible for意为“对负责；是的原因”，故本空应用形容词responsible。7eating考查现在分词。while _ (eat)poisonkilled insects为状语从句的省略句。eat的逻辑主语是frogs，frogs和动词eat之间为逻辑上的主谓关系
29、，故应用现在分词作状语。while eating.是while frogs are eating.的省略形式。8to save考查动词不定式。句意：为了保护青蛙，要刻不容缓地采取行动。根据句意可知，本空表示目的，故应使用动词不定式to save。9who考查定语从句。本空引导定语从句，先行词是those(那些人)，关系词在从句中做主语，指人，故应使用关系代词who。10will be punished考查时态及语态。句意：如果我们不惩罚那些为了赚钱而卖青蛙和杀青蛙的人，那么总有一天我们所有人都会因为没有保护好青蛙而受到大自然的惩罚。根据one day可知，本空应用一般将来时；主语all of us和动词punish之间为被动关系，故应用一般将来时的被动语态。
