选修七unit3同步练习.doc

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1、Unit 3Section .单词拼写1He spent six months in prison before fleeing(逃离)the country.2The crowd yelled(大声叫)encouragement at the players.3The children learned about the relationship(关系)between the moon and the tides.4The report urged(敦促)that all children be taught to swim.5Snow forced many drivers to aban

2、don(舍弃)their vehicles.短语填空in the meantime;help out;aim at;sort out;ahead of1I tried to think about all the problems that were _ me tomorrow.答案:ahead of2It is difficult to _ the lies from the truth.答案:sort out3Organizing the school trip will be a lot of work,so I need some volunteers to _.答案:help out

3、4Your computer wont be arriving till Thursday._,you can use Judes.答案:In the meantime5This antismoking campaign is mainly _young teenagers.答案:aimed at.单项填空1The grandparents _ when they saw the gold medal their grandson had got at the Olympic Games.Acouldnt help to smileBcouldnt help smilingCcouldnt h

4、elp but smiledDcouldnt help but smiling解析:cant help doing sth.“情不自禁做某事”。cant help to do sth.“无法帮助做某事”;cant help but do sth.“不得不做某事”。答案:B2Put the kettle on to boil and _ well cut the bread.Ain other wordsBon the other handCin the meantime Don the contrary解析:句意:把水壶放上去烧水,与此同时我们切面包。in other words换言之;on

5、the other hand另一方面;in the meantime与此同时;on the contrary相反。故C项符合句意。答案:C3Whenever she heard that someone had trouble,she would go to _.Afind out Bwork outCcarry out Dhelp out解析:句意:每当听说有人有困难时,她都会去帮助解决。help out“帮助摆脱困境或危险”,符合题意。find out找出;发现;work out做出;解决;carry out实施。答案:D4It is reported that the BeijingSh

6、anghai HighSpeed Railway will be completed in about forty five months,about two or three months _.Ain the meantime Bin no timeCagainst time Dahead of time解析:ahead of time意为“提前”,根据句意可知北京到上海的高铁将提前约两三个月完工。in the meantime“在此期间;与此同时”;in no time“立即;马上”;against time“争分夺秒地;尽快地”,三者与句意不符。答案:D5The discovery of

7、 gold in Australia led thousands to believe that a fortune _.Ais made Bwould makeCwas to be made Dhad made解析:句意:澳大利亚金矿的发现使成千上万的人认定会发财。make a fortune“发财”;be to do结构表示注定会发生某事。答案:C6_ a moment and I will go to your rescue.AGo on BHold onCMove on DCarry on解析:句意:坚持一会儿,我去救你。hold on “坚持住,挺住”,符合语境。答案:B7After

8、 the earthquake,the first thing the local government did was to provide _ for the homeless families.Aaccommodation BoccupationCequipment Dfurniture解析:句意:地震之后,当地政府首先做的事情就是为无家可归的家庭提供住处。accommodation“住处,容身之处”;occupation“职业,工作;占据”;equipment“设备,装备;素质”;furniture“家具”。由句意可知,应选accommodation。答案:A8I thought th

9、e medicine would make him sleep,but it had the _ effect.Abetter BpracticalCopposite Dbasic解析:句意:我原以为这药能使他睡着,但其作用恰恰相反。opposite相反的,相对的,符合句意。答案:C9Jerry was about to sit down and have a cup of tea _ the doorbell rang.AwhileBasCwhenDuntil解析:句意:杰瑞刚要坐下来喝茶这时门铃响了。be about to do.when.正要做某事这时答案:C10He _ that co

10、untry for political reasons.However,the plane crashed on the way.Aescaped BfledCran away Dflee from解析:考查动词词义辨析。句意:由于政治原因他逃离了那个国家,然而飞机在途中坠毁了。flee既可作及物动词,又可作不及物动词;D项的形式不对;A、C项缺少介词from。答案:B11They urged that the library _ open during the vacation.Amust be kept Bis keptCwould be kept Dbe kept解析:句意:他们极力主张

11、在假期期间应当开放图书馆。the library与keep之间为被动关系,且urge后跟从句时使用虚拟语气,即谓语动词用(should)动词原形。故选D。答案:D12She turned and _ slowly down the block toward her own house.Apulled Bdragged Cpushed Ddrew解析:句意:她转过身,拖着步子,沿着街区慢慢地走回自己的房子。pull指朝任何方向的移动,用力可大可小;drag指与地平线平行或斜着向上移动,常表示在有助力的情形下,拖一种很重的东西费力地行进;push推,推动;draw平稳地持续抽或拉。答案:B13Em

12、ployees are entitled to a(n) _ paid leave of fifteen days.Aannually BannualCanniversary Drelative解析:句意:职员一年可享受十五天的带薪假期。annual每年的,按年度计算的;annually是annual的副词形式;anniversary周年的;relative相关的。答案:B14The 1930s _ the suffering of the Chinese from wars.Awrote BwitnessedCproved Dsupplied解析:句意:20世纪30年代见证了中国人民遭受的战

13、争灾难。witness目击,见证;prove证明;supply供给,供应。结合句意可知选B。答案:B15After trying many times,they had to _ the hope of saving the seriouslywounded elephant.Aabandon BreleaseCdiscourage Dresign解析:考查词义辨析。abandon放弃(信念、原则、希望等);release释放,放出;discourage使消极/沮丧;resign辞职,放弃(工作、职位)。句意:试了多次后,他们不得不放弃了挽救这只受伤严重的大象的希望。答案:A.完形填空With

14、 their shining,grey bodies,dolphins_1_ to be large fish._2_,they are really warmblooded 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.Dolphins are social animals.Man

15、y of them even enjoy being around 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_ humans they help.In some parts of the wor

16、ld,they help fishermen_9_fish.Dolphins,whose brain is even_10_ than a human brain,are very clever.Therefore,some people think a dolphin_11_smarter than 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

17、with them.But we can almost_15_ that dolphins can talk with_16_.They make different_17_ which seem to be_18_ a form of language.Up to now men _19_ able to find out how dolphins are talking,so no one really knows_20_ they are thinking.If we could talk with them,perhaps they could teach us to be as ha

18、ppy as they seem to be.1A.pretendBlookChappen Dappear解析:appear侧重指从外表上看似乎如此,不注重实际上是否如此。look指基于视觉印象上的看法,往往指看上去如此,实际上也是如此。答案:D2A.But BHoweverCThen DInstead解析:此句承接上文表示转折。but后不加逗号。答案:B3A.less than Bnot more thanCno more than Dup to解析:up to是固定短语,此处指“多达”十五分钟。答案:D4A.like BasCwith Dunlike解析:like作介词,意为“像一样”;a

19、s作介词,表示“作为”。答案:A5A.Beside BBesidesCExcept for DExcept解析:此句意为:“海豚除了爱玩耍,它们对人类也有帮助。”答案:B6A.as far as Bas long asCas soon as Das early as解析:as early as表示“早在的时候”。答案:D7A.poets BdriversCsailors Dswimmers解析:从下句话可知。答案:D8A.only Bthe onlyCjust only Dthe just解析:句意为“然而,游泳者并不是海豚帮助的唯一的人”。答案:B9A.catching BcatchCbei

20、ng caught Dcaught解析:help sb.(to)do sth.表示“帮助某人做某事”。答案:B10A.smaller BheavierClighter Dlarger解析:由上下文可知。答案:D11A.will be Bmust beCcant be Dmustnt be解析:must表示肯定推测。答案:B12A.of course Bin the endCby nature Dby means of解析:of course表示“当然”。大脑的大小并不是衡量是否聪明的唯一的标准。答案:A13A.deciding BknowingCmeasuring Dtelling解析:由“b

21、rain size is not the only measure of cleverness”可知答案。答案:C14A.since BandCunless Dbut解析:since表示原因。答案:A15A.sure BcertainCbe sure Dbe certainly解析:be sure作谓语,表示“确信海豚彼此之间可以交谈”。答案:C16A.people BfishChumans Deach other解析:each other表示“彼此”。答案:D17A.voice BnoiseCsounds Dcries解析:此处指发出声音。voice嗓音;noise噪音;cry哭喊声,叫喊声

22、。答案:C18A.at least BasCnothing like Dpossible解析:发出的声音,看起来至少是一种语言形式。答案:A19A.have been Bhavent beenCwill be Dwont be解析:直到现在,人们还没能弄清楚海豚怎样进行交谈。答案:B20A.why BwhereCwhat Dwhich解析:what 引导宾语从句,在从句中作宾语。答案:C.阅读理解What do you know about the sea?We know that it looks very pretty when the sun is shining on it.We al

23、so know that it can be very rough when there is a strong wind.What other things do we know about it?The first thing to remember is that the sea is very big.When you look at the map of the world you will find there is more water than land.The sea covers three quarters of the world.The sea is also ver

24、y 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 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 mountain were put

25、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 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

26、 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 parts 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 fl

27、oat in the sea.These floating things are so small that it is hard to see them.Many fish live by eating these floating things.The 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

28、thing happens.When the diver goes deeper,the water above presses down on him.It squeezes(压榨)him.Then the diver has to wear clothes made of metal.But he cannot go very deep.Some people who wanted to go very deep used a very strong diving ship!They went down to the deepest part of the sea in it.They w

29、ent down to a depth of eleven kilometers!1When does the sea look beautiful?AWhen it is calm.BWhen the weather is fine.CWhen there is a strong wind.DWhen there is a storm.解析:事实细节题。从第一段的“We know that it looks very pretty when the sun is shining on it.”看出“The weather is fine.”和“The sun is shining.”是相同的

30、。答案:B2Why does the author cite(引用)the sea somewhere near Japan?ATo show that the sea in some places is very deep.BTo show that the sea in some places is very rough.CTo show that its depth is 9 kilometers greater than the height of the highest mountain.DTo show that its depth is 11 kilometers greater

31、 than the height of the highest mountain.解析:推理判断题。从第三段的“But in some places the depth of the sea is very great.”“What a deep place!”看出是强调海洋的深度。答案:A3Which of the following statements about the Dead Sea is NOT true?AThere are plenty of fishes in it.BIt is a safe place for swimmers.CIt is extremely salt

32、y.DNo fish can be found in it.解析:事实细节题。从第四段的“Fish cannot live in the Dead Sea!”看出the Dead Sea里有大量的鱼是错误的。答案:A4Why cant people go very deep in the sea?ABecause the deepest part of the sea is very cold.BBecause the deepest part of the sea is very rough.CBecause the pressure of water at great depths is unendurable(无法忍受的)DBecause the deepest part of sea is very salty.解析:推理判断题。在最后一段的“When the diver goes deeper,the water above presses down on him.It squeezes(压榨)him.Then the diver has to wear clothes made of metal.”中,press(挤压)和squeeze(压榨)与题干中的pressure of water和unendurable吻合起来。答案:C

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