BAs a result of pollution, Lake Erie, on the borders of the USA and Canada, is now without any living things. Pollution in water is not simply a matter of “poisons killing large numbers of fish overn 题目和参考答案——青夏教育精英家教网—

精英家教网 > 高中英语 > 题目详情

B
As a result of pollution, Lake Erie, on the borders of the USA and Canada, is now without any living things.
Pollution in water is not simply a matter of “poisons” killing large numbers of fish overnight, Very often the effects of pollution are not noticed for many months or years because the first organisms（生物体）to be affected are either plants or plankton(浮游生物). But these organisms are the food of fish and birds and other creatures. When this food disappears, the fish and birds die too. In this way a whole food chain can be wiped out, and it’s not until dead fish and water birds are seen at the river’s edge or on the seashore that people realize what is happening.
　　Where do the substances which pollute the water come from? There are two main sources of sewage（下水道污物）and industrial waste. As more detergent（洗涤剂）is used in the home, so more of it is finally put into our rivers, lakes and seas. Detergents harm water birds, dissolving the natural substances which keep their feathers water-proof (防水). Sewage itself, if not properly treated, makes the water dirty and prevents all forms of life in rivers and the sea from receiving the oxygen they need. Industrial waste is even more harmful as there are many highly poisonous things in it, such as copper and lead.
　　So, if we want to stop this pollution, the answer is simple: sewage and industrial waste must be made clear before flowing into the water. It may already be too late to save some rivers and lakes, but others can still be saved if the correct action is taken at once.
70. Pollution of water is noticed________.
　　A. when the first organisms are affected　
B. when a good many fish and birds die
　　C. when poisonous things are poured into water　
D. as soon as the balance of nature is destroyed
71.The living things die because there is no ________in the lake or river.
　　A. water　　　　　            B. fish           　 C. poison　　　　　 D. oxygen
72. Which of the following is harmful according to the passage?
　　A. Organisms              　B. Plants and plankton in the water
　　C. Waste water from cleaning    D. Industrial waste made clear before flowing into the water
73. The way to stop water pollution is to________.
　　A. realize the serious situation clearly
　　B. put oxygen into the river
　　C. make the waste material harmless before flowing into the water
　　D. make special room in the sea for our rubbish

70---73 BDCC

略

练习册系列答案

年级	高中课程	年级	初中课程
高一	高一免费课程推荐！	初一	初一免费课程推荐！
高二	高二免费课程推荐！	初二	初二免费课程推荐！
高三	高三免费课程推荐！	初三	初三免费课程推荐！
更多初中、高中辅导课程推荐,点击进入>>

相关习题

科目：高中英语 来源：不详 题型：完形填空

There are many similarities between the teacher’s work and the actor’s. However, the fact that a good teacher has some of the gifts of a good actor __1__ mean that he will indeed be able to act well on the stage; for there are very important differences __2__ the teacher’s work and the actor’s work. The actor has to speak words which he has learned __3__; he has to repeat exactly the same work each time he plays a certain part; __4__his movements and the way he uses his voice are usually fixed __5__. What he has to do is to make all these carefully learned words and actions seem natural on the stage.
The good teacher works in __6__ different way. His audience takes an active part in his play, they ask and answer question, they __7__ orders, and if they don’t understand something, they say so. The teacher therefore has to suit his act __8__ the need of his audience which is his class.
I have known many teachers who were fine actors in __9__ but were unable to play a part in a stage-play because their brains would not keep discipline; they could not keep strictly to __10__.

小题1:

A．not

B．don’t

C．doesn’t

D．do

小题2:

A．among

B．with

C．from

D．between

小题3:

A．by mind

B．by the mind

C．by heart

D．by the heart

小题4:

A．but

B．if

C．although

D．even

小题5:

A．ago

B．before

C．later

D．long

小题6:

A．very the

B．very a

C．quite a

D．quite the

小题7:

A．listen

B．hear

C．keep

D．obey

小题8:

A．for

B．with

C．to

D．of

小题9:

A．class

B．stage

C．life

D．action

小题10:

A．what another has written

B．what another had written

C．that another has written

D．which another had written

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

The bee，like the ant，is a social insect（昆虫）.Bees live in large groups in box-like houses called hives or beehives.Every bee does a certain job that helps the other members of th

e group.In a beehive there live three kinds of bees:the queen bee，the male bees and the worker bees.The worker bees are born to be hard-working，flying from flower to flower collecting nectar（花蜜），which is made up mostly of sugar mixed with water.Bees draw this nectar into their honey bags where some sort of liquid in their bodies turns the nectar into honey.The newly made honey flows slowly from the bees’ underside and then is stored in small cells in the hive.When the weather turns cold，and there are no flowers for them to collect nectar，the stored honey will see them through the winter months.People who raise bees and depend on bees for a living are thought of as beekeepers.A bee-keeper usually keeps hundreds of hives，and removes honey from hives and keeps it in glass bottles or jars.Honey usually appears as a clear golden-colored liquid，but this lie

s in the sort of flowers from which bees have taken the nectar.
66.The best title of this passage is_______.
A.The Social Habits of Bees B.Three Kinds of Bees
C.The Production of Honey D.Bee Keepers’ Work
67.Bees are regarded as social insects because they_______.
A.form themselves into a good organization
B.have learned something from human society
C.need beekeepers to arrange their jobs
D.are born to work hard
68.The color of honey in its final stage depends on the_______.
A.type of flowers which the nectar is taken from
B.amount of sugar the beekeeper gives the bees
C.season in which the nectar is collected
D.quantity of water the bees are able to drink
69.Worker bees are always busy collecting nectar in order to_______.
A.help beekeepers to earn money from honey
B.turn it into honey
C.have something to eat in winter months
D.please the queen bee at the hive
70.During the course in which nectar change into honey_______.
A.water and sunlight are necessary conditions
B.some special liquid inside bees must be in the presence
C.many complex（复杂的）chemical changes will take place
D.worker bees have to bring up what they collected into their hive

查看答案和解析>>

科目：高中英语 来源：不详 题型：完形填空

完形填空(共20分)
It’s a question anyone might ask in the future: Should your household robot be cool? Or practical? For Sony Corporation, robots ought to be entertaining. The company’s 41 robot, SDR—4 X, can sing and dance.
But for automaker Honda Motor Co Ltd, such 42 should perform useful tasks for their 43 masters.
“It is in the end a machine, a 44 ,” said Masato Hirose, Honda’s chief engineer.
Sony’s chief researcher Toshi Doi said robots performing such tasks as 45for ill or disabled people would not necessarily need a human 46 .
“The attractiveness of the SDR—4 X is its 47”, he said.
“It has feelings. It has instincts(直觉).” Drawing from its 48of 60,000 words, an SDR—4 X robot 49 last week that it can ask a 50 in a high voice: “Please 51still for a minute while I memorize your face.”
It also 52 off its ability to walk on uneven(不平的)floors, and come to its owner when it’s 53. While Honda’s robot is 54 used mainly for entertainment, it is 55 that one day it will be a useful companion. So its robot have been 56to be 120cm tall – more than twice the height of the SDR—4 X. Hirose said 120cm is the 57a robot that moves around a home should be.
“If you are going to have something that can move with 58 in a human surroundings(环境), then it is better to 59 the robot like a human,” he said.
Hirose said that he hopes the robot will be 60 enough so that he can buy one for himself and let it get him a beer.
41. A. earliest           B. latest            C. coolest                            D. smallest
42. A. matters          B. people          C. machines              D. inventions
43. A. human            B. own               C. creative                 D. all
44. A. tool                  B. robot             C. toy                          D. slave
45. A. looking            B. working        C. leaving                   D. caring
46. A. form                B. character     C. job                           D. ability
47. A. appearance   B. purpose        C. personality           D. material
48. A. storage           B. use                C. making                   creation
49. A. said                  B. announced C. showed                  D. imaged
50. A. friend              B. partner                  C. servant                  D. guest
51. A. hold                 B. lie                   C. take                        D. make
52. A. left                            B. showed        C. put                          D. dropped
53.A. tired                 B. called            C. controlled             D. made
54.A. also                   B. still                C. again                      D. even
55. A. sure                 B. hoped           C. reported                D. described
56. A. expected        B. raised           C. proved                   D. designed
57 A. cheapest         B. dearest                  C. smallest                D. biggest
58. A. ease                B. care               C. difficulty                D. foot
59. A. buy                   B. use                C. invest                     D. design
60. A. useful              B. smart            C. cheap                     D. small

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

What will man be like in the future — in 5,000 or even 50,000 years from now? We can only make guesses, of course, but we can be sure that he will be different from what he is today, for man is slowly changing all the time.
Let us take an obvious example. Man, even five hundred years ago, was shorter than he is today. Now, on average, men are about three inches taller. Five hundred years is a relatively short period of time, so we may assume that man will continue to grow taller. Again in the modern world we use our brains a great deal. Even so, we still make use of only about 20% of the brain’s capacity (容量). As time goes on, however, we shall have to use our brains more and more, and eventually we shall need larger ones! This is likely to bring about a physical change too: the head, in particular the forehead, will grow larger.
Nowadays our eyes are in constant use. In fact, we use them so much that very often they become weaker and we have to wear glasses. But over a very long period of time it is likely that man’s eyes will grow stronger.
On the other hand, we tend to make less use of our arms and legs. These, as a result, are likely to grow weaker. At the same time, however, our fingers will grow more sensitive because they are used a great deal in modern life.
But what about hair? This will probably disappear from the body altogether in course of time because it does not serve a useful purpose any longer. In the future, then, both sexes are likely to be bald.
Perhaps all this gives the impression that future man will not be a very attractive creature to look at! This may well be true. All the same, in spite of all these changes, future man will still have a lot in common with us. He will still be a human being, with thoughts and emotions similar to our own.
56. The size of man’s forehead will probably grow bigger because _______.
A. he will use his brain more and more as time goes on
B. he makes use only 20% of the brain’s capacity
C. his brain has grown larger over the past centuries
D. the other 80% of his brain will grow in due time
57. What serves as the evidence that man is changing?
A. Man has got stronger eyes now than he ever had.
B. Man has been growing taller over the past 500 years.
C. Man’s hair is getting thinner and thinner.
D. Man’s arms and legs have become lighter and weaker.
58. What will be true about a human being in the future?
A. He will be hairless because hair is no longer useful.
B. He will have smaller eyes and will wear better glasses.
C. His fingers will grow weaker because he won’t have to make use of them.
D. He will think and feel in a different way.
59. It is implied that __________________.
A. human beings will become more attractive in the future
B. body organs will become poorer if they are not used often
C. human beings hope for a change in the future life
D. future life is always predictable
60. The passage mainly tells us that _______________.
A. man’s life will be different in the future B. man is growing taller and uglier as time passes
C. future man will look quite different from us
D. human beings’ organs will function weaker

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

D
Are some people born clever, and others born stupid? Or is intelligence developed by our environment and experience? Strangely enough, the answer to these questions is yes. To some extent, person’s intelligence is fixed at birth, whether or not he reaches those limits will depend on his environment. This view, now held by most experts, can be supported in a number of ways.
It is easy to show that intelligence is to some extent something we are born with. The closer the blood relationship between two people, the closer they are likely to be in intelligence. Thus if we take two unrelated people at random(随意地) from the population, it is likely that their degree of intelligence will be completely different. If, on the other hand, we take two identical twins they will very likely be as intelligent as each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and this clearly suggests that intelligence depends on birth.
Imagine now that we take two identical twins and put them in different environments. We might send one, for example, to a university and the other to a factory where the work is boring. We should soon find differences in intelligence developing, and this indicates that environment as well as birth plays a part. This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all are likely to have similar degree of intelligence.
68. The writer is in favor of the view that man’s intelligence is given to him
A. at birth                          B. through education
C. both at birth and through education    D. neither at birth nor through education
69. If a child is born with low intelligence, he is unlikely to
A. become a genius so long as he or she works hard enough
B. still become a genius if he should be given special education
C. go beyond his intelligence limits even in rich surroundings
D. never reaches his intelligence limits in his life
70. The example of the twins going to a university and to a factory separately shows
A. the importance of their intelligence
B. the role of environment on intelligence
C. the importance of their positions
D. the part that birth plays
71. What can be the best title for the text?
A. Surroundings                           B. Intelligence
C. Dependence on Environment              D. Effect of Education

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

D
You’ve probably heard of the butterfly effect that small changes in one place can lead to great damage elsewhere. The Toy Story II, Made-in-China, appearing on the internet, TV screens and front pages of newspapers worldwide since August, was a live show. China’s fame as “the world’s factory” was badly damaged this summer by a small, but powerful magnet (磁铁), and colorful paints on toys.
Mattel, the world’s largest toy company in the US, on August 14 announced the biggest recall (召回) of toys in its history. Among the recalled products were 17.4 million toys that had a design problem. They contained a small, powerful magnet that could harm children if it was swallowed. Another 2.2 million toys were recalled because of impermissible levels of lead (铅) in their paint.
Although the designing problem has nothing to do with where the toys were made, the reports in the western media of the recall started to draw a horrible picture in many American parent’s minds.
The toy recall issue followed shortly after recalls earlier in the year of Chinese-made pet food and toothpaste and left users all over the world worried about buying anything labeled (贴上标签) “Made-in-China”.
The recall of the toys teaches Chinese companies that quality is extremely important. However, many of the complaints by western countries about Chinese goods reflect complicated feeling

s about the growing Chinese economy, culture differences and various political systems.
However, more than 100 US multinational companies from many industries, including Boeing and Microsoft, signed a letter to the US Congress on September 28, to say no to the proposal against China. “Imposing (加强) unfair barriers to trade in the name of product safety is not a solution,” the companies wrote.
Toys are made for children to learn about the reality world and become more mature (成熟), however, the Chinese version of Toy Story helps lots of adults learn about responsibility, importance of quality, understanding, communications, and more.
53. The author mentions the butterfly effect at the beginning of the passage to ______.
A. explain what the butterfly effect is
B. tell the readers what causes the butterfly effect
C. say that the toy effect is similar to the butterfly effect
D. compare the differences between the butterfly effect and the toy effect
54. Which of the following are the reasons mentioned to have caused the recall?
a. The picture on the toys.
b. The designing problem.
c. The colorful paints on toys.
d. The materials toys are made of.
e. The small powerful magnet on toys.
A. abe                   B. bde                   C. bce                   D. acd
55. Boeing and Microsoft signed a letter to the US Congress because ______.
A. the growing Chinese economy makes them afraid
B. the Chinese companies have realized the importance of quality
C. the Toy Story has made some Chinese companies suffer great losses
D. they think it’s unfair to impose barriers in the name of product safety
56. Which of the following can be the best title of the passage?
A. Made in China.                              B. Butterfly Effect.
C. Western Media.                              D. Toy Story.

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

D
A sunflower is a sunflower . A mobile phone is a mobile phone . But can you combine the two to do something for your local environment?
As early as next year it may well be possible. When you have finished with your mobile phone you will be able to bury it in the garden or a plant pot and wait for it to flower. A biodegradable (能进行生物

递降分解的) mobile phone was, this month, introduced by scientists.
Scientists have come up with a new material over the last five years. It looks like any other plastic and can be hard or soft, and able to change shape. Overtime it can also break down into the soil without giving out any toxic chemicals. British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it forms nitrates (硝酸钾). These feed the seed and help the flower grow. Engineers have designed a small transparent window to hold the seed.

They have made sure it only grows when the phone is thrown away. "We've only put sunflower seeds into the covers so far. But we are working with plant experts to find out which flowers would perform best. Maybe we could put roses in next time," said one scientist.

As phone technology is developing so quickly people are constantly throwing their mobiles away. This means manufacturers are under pressure to find ways of recycling them. Some 650 million mobile phones have been sold this year. Most of them will be thrown away within two years, adding plastic, heavy metal and chemical waste to the environment. A biodegradable cover can offer some relief for nature, according to the scientists. "The seed is released and the flower grows in the pot so you don't have to concern yourself with the phone when you have finished using it," said Kerry Kirwan. She leads the research team, which is based at the University of Warwick in Britain.
67. The main idea of the passage is ________ .
A. the relationship between high tech and environment
B. the phone technology is developing
C. how to grow sunflowers
D. mobile phone and environment
68. The purpose of introducing a biodegradable mobile phone is ______ .
A. to encourage consumers to recycle
B. to prevent consumers from throwing their phones away
C. to meet consumers’ need
D. to help consumers know which flower can best perform
69. What is the possible meaning of the underlined word ?
A. pleasant B. poisonous C. useful D. new
70. Which of the following statements is NOT true ?
A.Engineers have designed a small transparent window to hold the rose seed .
B. Mobiles with biodegradable covers can do good to nature .
C.Manufacturers are under pressure to find ways of recycling mobiles .
D. The flower only grows when the phone is thrown away .

查看答案和解析>>

科目：高中英语 来源：不详 题型：阅读理解

D
One of the most popular new online games is Second Life．These games are also called MMOs for short．But unlike other MMOs, Second Life is not about winning or losing．Second Life is technically a computer game．But people involved in it do not consider it a game, because the players Create everything．Second Life is more for socializing and creating communities．
Users of Second Life are called residents．To take part, they must create an electronic image of themselves．Some look like humans, while others look like animals．Inside the Second Life world, residents build homes, run business, buy and sell things, work, play, and attend school．They even have relationships and get married．
Second Life was created in 2003 by Linden Lab in San Francisco, California．Linden Lab controls the website where the ever—changing world is being created．There are now about one million people around the world who are active in Second Life．The number has grown quickly since the beginning of the year when there were about one hundred thousand users．
The average age of people involved with Second Life is about thirty．However, Linden Lab recently created Teen Second Life for young users．Second Life has its own economy and its own money called Linden dollars．Millions of dollars are made and spent each month in Second Life．Users can enter Second Life for free．But they must pay for a membership if they want to own land or buy and sell goods and services．
Lately, several major companies have become involved with Second Life．They want to be part of the growing business world that exists within the made—up reality．The car maker Toyota, music producer Sony BMG, and even Reuters news agency are among businesses now existing within Second Life．
68．The best title for the passage may be    ．
A．Popular Computer Games                     B．Users of Second Life
C．Business within Second Life                 D．A Million People Get a Second Life
69．According to the passage, Second Life refers to a new online game    ．
A．about winning or losing
B．in which players can create everything
C．mostly for children
D．designed for only one player role
70．We can see from the passage that the users of the Second Life    ．
A．can’t create the electronic images
B．become humans and animals
C．don’t work or play
D．can even get married
71．It can be inferred from the passage that    ．
A．these major companies want to become the players inside the Second Life world
B．these major companies: want to make profits from Second Life
C．we can’t believe in the made—up reality inside the Second Life world
D．these major companies show no interest in Second Life

查看答案和解析>>

同步练习册答案

练习册

高中

初中

小学