1、Units 78Living with diseaseFirst aid .单项填空1Runners for the Olympic Games have to _ before and after the race.Aget test Bget testing Cget tested Dget to test解析：get tested相当于be tested，是一种被动语态形式。答案：C2This computer doesnt work properly, because a certain virus has _ the operating system.Abroken up Bbrok
2、en down Cbroken out Dbroken away解析： 题意是“一种病毒破坏了操作系统。”break down“破坏；出故障”。答案：B3_ with foreign countries can bring us much information about the world.ACollection BCompetition CContact DConsumer解析： 题意是“与外国联系可使我们了解世界。”contact with“与联系”。答案：C4Why is the university doing so much building?_ number of studen
3、ts _ so rapidly.AThe；have increased BA；have increased CThe；has increased DA；has increased解析：题意是“学生的数量在飞快地增加。”the number of意为“的数量”，作主语时，谓语动词用单数形式。答案：C5Many new _ will be opened up in the future for those with a university education.Aopportunities Bnecessities Crealities Dpossibilities解析：“将来会为受过大学教育的人
4、开辟很多新的就业机会。”答案：A6How much you read is not very important.It is what you read that _.Acounts Bminds Cvalues Dmeans解析： 题意是“你读了多少并不重要，重要的是你读了些什么。”count可作“有价值；重要”解。答案：A7_ you run into John, tell him he owes me a letter.AWould BShould CCould DMight解析：此处是if虚拟语气，省略if后，句子要用倒装；因假设的是将来的情况，故用should“一旦；万一”。答案：B
5、8If we were to get hurt _ to save someone, we would not be able to help.Ato try Btrying Cto have tried Dhaving tried解析：“在试图救某人时受伤”，用现在分词作时间状语，相当于“when we tried to save someone”。答案：B9They have put the bird in a cage to _ it from flying away.Aprevent Bavoid Cdefend Dhold解析：“把鸟放入笼子，防止它飞走。”prevent sb.fr
6、om doing sth.“防止某人做某事”。答案：A10Spring Festival is _.We should get prepared for a celebration now.Ain the way Bby the way Con the way Dunder way解析：“春节就要到了。”on the way有“即将来到”之意。答案：C.完形填空Jenna，a popular girl from Westwood Middle School，had graduated first in her class and was ready for new _1_ in high sc
7、hool._2_，high school was different.In the first week，Jenna went to tryouts(选拔赛) for cheerleaders(拉拉队队员)She was competing against very talented girls，and she knew it would be _3_ for her to be selected.Two hours later，the _4_ read a list of the girls for a second tryout.Her heart _5_ as the list ende
8、d without her name.Feeling _6_，she walked home carrying her schoolbag full of homework.Arriving home，she started with math.She had always been a good math student，but now she was _7_.She moved on to English and history，and was _8_ to find that she didnt have any trouble with those subjects.Feeling b
9、etter，she decided not to _9_ math for the time being.The next day Jenna went to see Mrs.Biden about being on the school _10_.Mrs.Biden wasnt as _11_ as Jenna.“Im sorry，but we have enough _12_ for the newspaper already.Come back next year and well talk then.” Jenna smiled _13_ and left.“Why is high s
10、chool so _14_？” she sighed.Later in _15_ class，Jenna devoted herself to figuring out the problems that had given her so much _16_.By the end of class，she understood how to get them right.As she gathered her books，Jenna decided shed continue to try to _17_ at her new school.She wasnt sure if shed suc
11、ceed，but she knew she had to _18_.High school was just as her mom had said：“You will feel like a small fish in a big pond _19_ a big fish in a small pond.The challenge is to become the _20_ fish you can be.”1A.processes Bdecision Cchallenges Dexercises答案：C2A.Therefore BHowever COtherwise DBesides答案：
12、B3A.difficult Beasy Cboring Dinteresting答案：A 4A.editor Bboss Ccandidate Djudge答案：D5A.jumped Bsank Cstopped Draced答案：B6A.strange Bhappy Cawful Dlonely答案：C7A.struggling Bimproving Cworking Dcomplaining答案：A8A.ashamed Bdisappointed Cshocked Drelieved答案：D 9A.put up Bprepare for Cworry about Dgive up答案：C1
13、0A.committee Bnewspaper Cradio Dteam答案：B11A.enthusiastic Bartistic Csympathetic Drealistic答案：A12A.speakers Breaders Ccheerleaders Dwriters答案：D13A.widely Bweakly Cexcitedly Dbrightly答案：B14A.similar Bordinary Cdifferent Dfamiliar答案：C15A.physics Bhistory CEnglish Dmath答案：D16A.pleasure Bhope Ctrouble Ds
14、orrow答案：C17A.fit in Blook out Cstay up Dget around答案：A 18A.swim Btry Cask Descape答案：B19A.in return for Bin case of Cin terms of Dinstead of答案：D20A.slimmest Bsmallest Cbest Dgentlest答案：C.阅读理解We know that many animals do not stay in one place.Birds，fish and other animals move from one place to another
15、 at a certain time.They move for different reasons：most of them move to find food more easily，but others move to get away from places that are too crowded.When cold weather comes，many birds move to warmer places to find food.Some fishes give birth in warm water and move to cold water to feed.The mos
16、t famous migration(迁移)is probably the migration of fish，which is called “Salmon”This fish is born in fresh water but it travels many miles to salt water.There it spends its life.When it is old，it returns to its birthplace in fresh water.Then it gives birth and dies there.In northern Europe，there is
17、a kind of mouse.They leave their mountain homes when they become too crowded.They move down to the low land.Sometimes they move all the way to the seaside，and many of them are killed when they fall into the sea.Recently，scientists have studied the migration of a kind of lobster(龙虾)Every year，when th
18、e season of bad weather arrives，the lobsters get into a long time and start to walk across the floor of the ocean.Nobody knows why they do this，and nobody knows where they go.So，sometimes we know why humans and animals move from one place to another，but at other times we dont.Maybe living things jus
19、t like to travel.1Most animals move from one place to another at a certain time to _.Agive birth Benjoy warmer waterCfind food more easily Dfind beautiful places解析：见第一段第三句。答案：C2The mice in northern Europe move when _.Athey give birth Bthe weather is badCthe place gets too crowded Dthey havent enough
20、 food解析：见第二段倒数二、三句。答案：C3The lobsters move _.Ato the fresh water Bto the deeper sea Cat a certain time Dto find more food解析：见第三段第一、二句。答案：C4What is the main idea of the passage?AAnimals move in order to find food more easily.BThe migration of the fish called “Salmon” is the most famous migration.CLiving things move from one place to another because they like to travel.DSometimes we know why and how living things move from one place to another，but sometimes we dont.解析：见最后一段。答案：D