選修七unit-3-同步練習(xí)

1、Unit 3 Section nc 裸旳演練廠13i 單詞拼寫1. He spe nt six mon ths in pris on before fleeing（ 逃離）the country.2. The crowd yelled（大聲叫）encouragement at the players.3. The children learned about the relationship（關(guān)系）between the moon and the tides.4. The report urged（敦促）that all children be taught to swim.5. Snow f

2、orced many drivers to abandon 舍棄）their vehicles.n .短語填空in the meantime ； help out； aim at； sort out ； ahead of1. I tried to think about all the problems that wereme tomorrow.答案：ahead of2. It is difficult tothe lies from the truth.答案：sort out3. Organizing the school trip will be a lot of work , so I

3、need some volunteers to答案：help out4. Your computer won ' t be arriving till Thursday. ou can use Jude . ' s答案：In the mean time5. This anti-smoking campaign is mainlyyoung tee nagers.答案：aimed at川.單項填空1. The grandparentswhen they saw the gold medal their grandson had got at theOlympic Games.A

4、. couldn ' t help smileB. couldn ' t help smilingC. couldn ' t help but smiledD. couldn ' t help but smiling解析：can 'help doi ng sth."情不自禁做某事” °ca n'thelp to do sth. “無法幫助做某事”；can'thelp but do sth."不得不做某事答案：B2Put the kettle on to boil and we'll cut the b

5、read.A in other wordsB on the other handCin the meantimeD on the contrary解析：句意：把水壺放上去燒水，與此同時我們切面包。in other words換言之；on the otherhand另一方面；in the meantime與此同時；on the contrary相反。故 C項符合句意。答案： C3 Whenever she heard that someone had trouble， she would go to .A find outB work outCcarry outD help out解析：句意：每

6、當(dāng)聽說有人有困難時，她都會去幫助解決。help out “幫助擺脫困境或危險”，符合題意。find out找出；發(fā)現(xiàn)；work out做出；解決；carry out實施。答案： D4 It is reported that the Beijing- Shanghai High- Speed Railway will be completed in about forty five months ， about two or three months .A in the meantimeB in no timeCagainst timeDahead of time解析： ahead of tim

7、e 意為 “提前 ” ，根據(jù)句意可知北京到上海的高鐵將提前約兩三個月完工。in the mean time “在此期間； 與此同時 ” ；in no time “立即； 馬上” ；aga inst time “爭 分奪秒地；盡快地 ”，三者與句意不符。答案： D5The discovery of gold in Australia led thousands to believe that a fortune .A is madeB would makeCwas to be madeD had made解析：句意：澳大利亞金礦的發(fā)現(xiàn)使成千上萬的人認(rèn)定會發(fā)財。 make a fortune“ 發(fā)

8、財 ” ；be to do 結(jié)構(gòu)表示注定會發(fā)生某事。答案： C6 a moment and I will go to your rescue.A Go onB Hold onCMove onD Carry on解析： 句意：堅持一會兒，我去救你。 hold on “ 堅持住，挺住 ” ，符合語境。答案： B7 After the earthquake ， the first thing the local government did was to provide forthe homeless families.A accommodationB occupationCequipmentD f

9、urniture解析： 句意：地震之后，當(dāng)?shù)卣紫茸龅氖虑榫褪菫闊o家可歸的家庭提供住處。accommodation "住處，容身之處 ” ;occupation "職業(yè)，工作； 占據(jù) ” ;equipment "設(shè)備，裝備；素質(zhì) ” ； furniture “ 家具” 。由句意可知，應(yīng)選accommodation。答案： A8 I thought the medicine would make him sleep ， but it had the effect.A betterB practicalCoppositeD basic解析： 句意： 我原以為這藥能使

10、他睡著，但其作用恰恰相反。 opposite 相反的，相對的， 符合句意。答案： C9 Jerry was about to sit down and have a cup of tea the doorbell rang.A whileB asCwhenD until解析： 句意：杰瑞剛要坐下來喝茶這時門鈴響了。be about to do.when. 正要做某事這時答案： C10 He that country for political reasons.However ， the plane crashed on the way.A escapedB fledCran awayD fle

11、e from解析： 考查動詞詞義辨析。句意：由于政治原因他逃離了那個國家，然而飛機(jī)在途中墜毀了。 flee 既可作及物動詞，又可作不及物動詞； D 項的形式不對；A 、C 項缺少介詞 from 。答案： B11 They urged that the library open during the vacation.A must be keptB is keptCwould be keptD be kept解析：句意：他們極力主張在假期期間應(yīng)當(dāng)開放圖書館。the library與keep之間為被動關(guān)系，且urge后跟從句時使用虛擬語氣，即謂語動詞用(should + )動詞原形。故選 D。答案

12、： D12 She turned and slowly down the block toward her own house.A pulledB draggedCpushedD drew解析： 句意：她轉(zhuǎn)過身，拖著步子，沿著街區(qū)慢慢地走回自己的房子。 pull 指朝任何方向的移動，用力可大可?。?drag 指與地平線平行或斜著向上移動， 常表示在有助力的情形下， 拖一種很重的東西費力地行進(jìn)； push 推，推動； draw 平穩(wěn)地持續(xù)抽或拉。答案： B13 Employees are entitled to a（n） paid leave of fifteen days.A annually

13、B annualCanniversaryD relative解析：句意：職員一年可享受十五天的帶薪假期。 annual 每年的，按年度計算的； annually是 annual 的副詞形式； anniversary 周年的； relative 相關(guān)的。 答案： B14 The 1930s the suffering of the Chinese from wars.A wroteB witnessedCprovedD supplied解析：句意：20世紀(jì)30年代見證了中國人民遭受的戰(zhàn)爭災(zāi)難。witness目擊，見證；prove證明； supply 供給，供應(yīng)。結(jié)合句意可知選 B 。答案： B1

14、5After trying many times ， they had to the hope of saving the seriously- woundedelephant.A abandonB releaseCdiscourageD resign解析：考查詞義辨析。abandon放棄（信念、原則、希望等）;release釋放，放出；discourage使消極 /沮喪； resign 辭職，放棄 （工作、職位 ）。句意：試了多次后，他們不得不放棄了挽救 這只受傷嚴(yán)重的大象的希望。答案： AIV 完形填空With their shining, grey bodies, dolphins_1_

15、 to be large fish. 2， they are reallywarm-blooded mammals.Although they can stay under the water for_3_ fifteen minutes at a time, the dolphins , _4_ whales, must come to the surface to breathe air through a hole on top of their heads.Dolph ins are social ani mals.Ma ny of them even enjoy being arou

16、nd humans._5_being playful , they are helpful to men.For example , _6_400 BC, the Greek poet Arion was saved from drowning by a dolphin.From then until now, dolphins have been helping_7_ who are in trouble.Swimmers , however, are not_8_ huma ns they help .In some parts of the world , they help fishe

17、rmen_9_fish.Dolph ins , whose brain is even_10tha n a huma n brain , are very clever.Therefore, somepeople think a dolphin_11_smarter tha n a person.But_12_brain size is not the only measure of cleverness.Besides, _13_ dolphins cleverness in other ways is not possible_14_ men cannot talk with them.B

18、ut we can almost_15.that dolphins can talk with_16 .They makedifferent_17_ which seem to be_18_ a form of Ianguage.Up to now men _19_ able to find out how dolphins are talking , so no one really knows_20_ they are thinking.lf we could talk with them , perhaps they could teach us to be as happy as th

19、ey seem to be.1. A.pretendB. lookC. happenD . appear解析：appear側(cè)重指從外表上看似乎如此，不注重實際上是否如此。look指基于視覺印 象上的看法，往往指看上去如此，實際上也是如此。答案：D2. A.ButB . HoweverC. The nD .In stead解析：此句承接上文表示轉(zhuǎn)折。but后不加逗號。答案：B3. A.less thanB . not more thanC. no more thanD . up to解析：up to是固定短語，此處指 "多達(dá)”十五分鐘。答案：D4 A.likeB asCwithD un

20、like6 A.as far asBas long asC as soon asDas early as解析： as early as 表示早在的時候”。答案： D7 A.poetsBdriversCsailorsDswimmers解析： 從下句話可知。答案： D8 A.onlyBthe onlyC just onlyDthe just解析： 句意為 “然而，游泳者并不是海豚幫助的唯一的人”。答案： B9 A.catchingB catchC being caughtD caught解析：help sb.(to)do sth.表示"幫助某人做某事”。10A.smallerBheavi

21、erClighterDlarger解析： 由上下文可知。答案： D11A.will beBmust beCcan't beDmustn't be答案： B解析： must 表示肯定推測。解析： like 作介詞，意為“像一樣”；as作介詞，表示“作為”。答案： A5A.BesideB BesidesCExcept forD Except解析： 此句意為：“ 海豚除了愛玩耍，它們對人類也有幫助。”答案： B答案： B12 A.of course C by nature 解析： of course 表示 答案： A 13 A.deciding Cmeasuring 解析： 由 答案

22、： C 14 A.since Cunless 解析： since 表示原因。 答案： A 15 A.sure C be sure 解析： be sure 作謂語，表示 答案： C 16 A.people Chumans 解析： each other 表示 “ 彼此 ” 。 答案： D 17 A.voice Csounds 解析： 此處指發(fā)出聲音。 voice 嗓 答案： C 18 A.at least C nothing like 解析： 發(fā)出的聲音，看起來至少是一 答案： A19 A.have been C will beB in the endD by means of當(dāng)然” 。大腦的大小

23、并不是衡量是否聰明的唯一的標(biāo)準(zhǔn)。B knowingD telling brain size is not the only measure of cleverness ”可知答案。B andDbutB certainD be certainly 確信海豚彼此之間可以交談 ” 。B fishD each otherB noiseD cries音； noise 噪音； cry 哭喊聲，叫喊聲。B asD possible種語言形式。B haven ' t beenD won't be解析： 直到現(xiàn)在，人們還沒能弄清楚海豚怎樣進(jìn)行交談。答案：BB. whereD. which20.

24、A.whyC. what解析：what引導(dǎo)賓語從句，在從句中作賓語。答案：CV .閱讀理解What do you know about the sea ? We know that it looks very pretty when the sun is shining on it.We also know that it can be very rough whe n there is a stro ng win d.What other things do we know about it?The first thing to remember is that the sea is ver

25、y big.When you look at the map of the world you will find there is more water than Iand.The sea covers three quarters of the world.The sea is also very deep in some places .It is not deep everywhere.Some parts of the sea are very shallow.But in some places the depth of the sea is very great.There is

26、 one spot , near Japan, where the sea is nearly 11 kilometers deep! The highest mountain in the world is about 9 kilometers high .If that mou ntai n were put into the sea at that place ，there would be 2 kilometers of water above it ！ What a deep place!If you have swum in the sea， you know that it is

27、 salty.You can taste the salty.Rivers ，which flow into the sea， carry salt from the land into the sea.Some parts of the sea are more salty than other parts.There is one sea，called the Dead Sea， which is very salty.It is so salty that swimmers cannot sink ！ Fish cannot live in the Dead Sea!In most pa

28、rts of the sea， there are plenty of fishes and plants.Some live near the top of the sea, and others live deep down. There are also millions of tiny living things that float in the sea.These floating things are so small that it is hard to see them.Many fish live by eating these float ing thin gs.The

29、sea can be very cold.Divers ，who go deep down in the sea ， know this.On the top the water may be warm.When the diver goes downwards ， the sea becomes colder and colder.Another thing happens.When the diver goes deeper， the water above presses down on him.lt squeezes壓 榨）him.The n the diver has to wear

30、 clothes made of metal.But he cannot go very deep.Some people who wan ted to go very deep used a very strong divi ng ship ！ They went dow n to the deepest part of the sea in it.They went down to a depth of eleven kilometers!1 When does the sea look beautiful?A When it is calm.B When the weather is f

31、ine.C When there is a strong wind.D When there is a storm.解析： 事實細(xì)節(jié)題。從第一段的“We know that it looks very pretty when the sun is shiningon it."看出 The weather is fine."禾口 The sun is shining."是相同的。答案： B2. Why does the author cite（弓丨用）the sea somewhere near Japan?A To show that the sea in some places is very deep.B. To show that the sea in some places is very rough.C. To show that its d