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Unit 6 Mainly revision

http://www.sina.com.cn 2003/08/08 16:48 新浪教育

　　Mainly revision

　　Passage 1阅读理解一

　　Can trees talk? Yes—but not in words.Scientists have reasons to believe that trees do communicate with each other.Not long ago researchers learned some surprising things.First a willow tree attacked in the woods by caterpillars changed the chemistry of its leaves and made them taste so terrible that they got tired of the leaves and stopped eating them.Then even more astonishing, the tree sent out a special vapours—a signal causing its neighbours to change the chemistry of their own leaves and make them less tasty.

　　Communication, of course, doesn't need to be in words.We can talk to each other by smilling, raising our shoulders and moving our hands.We know that birds and animals use a whole vocabulary of songs, sounds, and movements.Bees dance their signals, flying in certain patterns that tell other beesswheresto find nectar for honey.So why shouldn't trees have ways of sending messages?

　　注释

　　1、communicate vt.互通信息

　　2、a willow tree柳树

　　3、caterpillars n.毛毛虫

　　4、vocabulary n.词汇

　　5、nectar n.花蜜根据短文内容选择正确答案

　　()1It can be inferred from the passage that caterpillars do not feed on leaves that .

　　A、have an unpleasant taste

　　B、are lying on the ground

　　C、have an unfamiliar shape

　　D、bees don't like

　　()2The willow tree described in the passage protected itself by.

　　A、growing more branches

　　B、changing its leaf chemistry

　　C、communicating with birds and bees

　　D、shaking caterpillars off

　　()3According to the passage, the willow tree was able to communicate with other trees by .

　　A、waving its branches

　　B、giving off a special vapour

　　C、dropping its leaves

　　D、changing the colour of its trunk

　　()4According to this passage, bees communicate by .

　　A、touching one another

　　B、smelling one another

　　C、making special movement

　　D、making unusual sound

　　()5The author believes that the incident described in the passage.

　　A、cannot be taken seriously

　　B、seems completely reasonable

　　C、should no longer be permitted

　　D、must be checked more thoroughly

　　Passage 2阅读理解二

　　About a hundred yards along the path we came to a deep valley, on the far side of which the path ledsintossome very thick bushes, rather than push through up again and rejoin the path on the far side of the bushes.

　　As I climbed downsintosthe valley, a bird flew off a rock on which I had put my hand.On looking at the spot from which the bird had risen I saw two eggs.They were a kind that I did not have in my collection, so I placed them carefully in my bag, wrapped in a little dry grass.

　　As we went further down the valley the sides became steeper and not far fromswheresI had entered it came to a drop of about twelve to fourteen feet.The water that rushed down all these small valleys in the rainy season had worn the rock as glass.As it was too deep to climb down, I handed my gun to one of the men and slid down it.My feet had hardly touched the sandy bottom when the two men jumped down, one on each side of me.They quickly gave me the gun and asked me if I had heard the tiger.In fact, I had heard nothing, possibly because of the noise I made sliding down the rock.The men said they had heard a tiger growling somewhere nearby, but they did not know from which direction the noise had come.

　　注释

　　1、spot n.地点,场所,现场

　　2、wrap vt.裹,包;缠绕;捆

　　3、steep adj.陡峭的

　　4、wear vt.穿旧，穿破,耗损,磨损

　　5、growl vi.嗥叫,咆哮(at);(雷)发出隆隆声根据短文内容选择正确答案

　　()1According to the passage we know that .

　　A. the writer decided to push through the thick bushes

　　B. the writer decided to walk along the valley

　　C. the writer wanted to stop climbing

　　D. the writer tried to find two eggs

　　()2When the writer found the eggs,he.

　　A. wrapped them in dry grass and went on

　　B. wrapped them in dry grass and took them with him

　　C. tried to find the bird

　　D. made the bird fly off

　　()3The reason why the rock was hard to get down was that .

　　A. it had been worn smooth

　　B. there was no grass on it

　　C. it was wet and slippery

　　D. it was soft and sandy

　　()4At the end of the story,the writer knew that .

　　A. a tiger had run away

　　B. a tiger was close to them

　　C. the men had seen a tiger

　　D. a tiger had seen them

　　Passage 3完形填空

　　People use money 1 food,books,bicycles and hundreds of 2 things which they need.3 they work,they usually get 4 in money.

　　Most of the money 5 today is made of metal 6 paper.7 in ancient times people used to all kinds of things as money.One of the first kinds of money 8 shells.In China cloth and knives 9 money.Elephant tusks,monkey tails and salt were used in some parts of Africa.Rice was 10 a kind of money used by the ancient people in some islands.Cows and other animals were used as money,too.

　　The first copper coins 11 in China.12 were round and had a square hole in the center.Different countries have used different metals for their money.Later,some countries began to make coins 13 gold and silver.But both gold and silver were heavy 14 when people needed a lot of coins to buy something 15.The Chinese were the first to use 16 money.The first paper money looked 17 like a note from one person to 18 than the paper money used today.Money has had an 19 history from the days of shell money 20 today.

　　注释

　　1、ancient adj.古老的,古代的;远古的

　　2、shell n.贝壳

　　3、square adj.方形的

　　4、silver n.银

　　5、note n.纸币；笔记；记录；草稿；备忘录通读短文选出一个最佳答案

　　()1A、buy B、to buy C、buying D、bought

　　()2A. other B、another C、others D、the other

　　()3A. As B、While C、When D、Since

　　()4A. pay B、paying C、paid D、to pay

　　()5A. used B、using C、is used D、is using

　　()6A. and B、or C、but D、either

　　()7A. And B、But C、So D、Or

　　()8A. was B、were C、is D、are

　　()9A. was used fo rB、were used for C、was used as D、were used as

　　()10A. too B、also C、either D、still

　　()11A. was made B、were made C、made D、has made

　　()12A. It B、They C、Which D、Those

　　()13A. of B、from C、out D、into

　　()14A. carry B、carrying C、carried D、to carry

　　()15A. cheap B、expensive C、up D、down

　　()16A. metal B、rea lC、gold D、paper

　　()17A. much B、very C、more D、rather

　　()18A. other B、the other C、other D、another

　　()19A. strange B、interested C、interesting D、important

　　()20A. for B、until C、till D、toward

　　Passage 4判断正误

　　Any mistake made in the printing of a stamp raises its value to stamp collectors.A mistake on one inexpensive postage stamp has made the stamp worth a million and a half times its original value.

　　The mistake was made more than a hundred years ago in the British colony of Mauritius,a small island in the Indian Ocean.In 1847 ansgroupsfor stamps was sent to a London printer—Mauritius was to become the fourth country in the world to issue stamps.

　　Before thesgroupswas filled and delivered,a ball was planned at MauritiusGovernment House,and stamps were needed to send out the invitations.A local printer was instructed to copy the design for the stamps.He accidentally inscribed the words“Post Office”instead of“Post Paid”on the several hundred stamps that he printed.

　　Today there are only twenty-six of these misprinted stamps left,fourteen One Penny Orange-Reds and twelve Two Penny Blues.Because of the Two Penny Blue's rareness and age,collectors have paid as much as 800 for it.

　　注释

　　1、postage stamp邮票

　　2、original adj.最初的；最早的

　　3、colony n.殖民地

　　4、issue vt.发行；出版

　　5、inscribe vt.题写；铭刻根据文章内容判断正误

　　()1Over a century ago,Mauritius was one of the British colonies.

　　()2The mistake on the stamps was made in London.

　　()3 The mistake on the locally printed postage stamps was in the inscription.

　　()4Stamp collectors have paid 800 for twelve Two Penny Blues.

　　()5A stamp is worth a million and a half times its original value because of its rareness and age.

　　参考答案Passage 1

　　1、A阅读完文章，我们可以推断出，毛虫不喜欢有怪味的树叶。

　　2、B文章已经说明了柳树通过改变树叶中的化学成分来抵御毛虫。

　　3、B第一段最后一句已说明答案。

　　4、C根据“Bees dance their signals,flying in certain patterns that tell other beesswheresto find nectar for honey.”这句话，可以得出答案。

　　5、B从文章中最后一句可以判断出作者的观点。

　　Passage 2

　　1、B从故事的发生地点来说，作者一行人所遭遇到的一切是在进入峡谷中发生的。他们可能是有意进入峡谷去探险，所以应该选B。

　　2、B文章已经清楚地说明了问题，所以不难找出答案。

　　3、A雨水的常年冲刷使得岩石非常光滑，因而，作者一行人行走非常困难。

　　4、B从“nearby”这个词可以知道，老虎就在附近。

　　Passage 3

　　1、Buse... to do...是常见的动词结构。

　　2、Aother在此用作形容词修饰things。

　　3、Cwhen引导的时间状语从句中，谓语动词可用短暂性也可用延续性；while引导的从句中只能用延续性动词，表示处于做某事的状态；as引导的时间状语从句中动词表示的动作是和主句中的谓语动词同时发生的。

　　4、Cget paid作“获得报酬”讲。

　　5、A过去分词短语作后置定语。

　　6、B表示选择，故用or。

　　7、B前句讲的是现在钱币的制做材料，下句讲古代钱币的材料，故应该选转折连词but。8、A应该用过去时单数。

　　9、CA be used as B意为“A被当成B来使用”。A be used for B意为“A被用于B的目的”。

　　10、B在句中应该用also表示“也”的意思。also有时也可用在句尾，表示的语气要重一些。

　　11、B应该用一般过去时的被动语态。

　　12、BThey指代copper coins。

　　13、Amake A of B意为“用B制造A”，能够看出制造的原材料，而make A from B则相反，即看不出原来的材料。

　　14、Dsth. be+adj、+to do是常见的句子结构。例如：This book is difficult to read.这本书太难读了。

　　15、B上文说过要用很多钱币，据此推断应该是买昂贵的物品。

　　16、D这是常识题。

　　17、C这是more... than...比较状语从句的句型。

　　18、Dfrom one... to another是常见的固定搭配。

　　19、C正是因为历史上钱币的种类很多，才使我们觉得钱币的历史很有趣。由19空前的单词an也可推断出答案。

　　20、C可以从此句中的介词from判断出，用till才符合题意。

　　Passage 4

　　1、T“...the British colony of Mauritius(毛里求斯), a small island in the Indian Ocean.”已经说明了答案。

　　2、F由第二段可知邮票上的错误发生在英国的殖民地毛里求斯。

　　3、T很显然是邮票上的字写错了。

　　4、F“Because of the Two Penny Blue's rareness and age, collectors have paid as much as 800 for it.”此句说明：每枚面值2便士的‘蓝邮票’集邮者已出价高达一万六千八百美元。

　　5、T文章第一段第二句已经说出了答案。

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