阅读理解 Some scientists say that animals in the ocean are increasingly threatened by noise pollution caused by human beings． The noise that affects sea creatures comes from a number of human activities 题目和参考答案——青夏教育精英家教网—

题目内容

阅读理解

　　Some scientists say that animals in the ocean are increasingly threatened by noise pollution caused by human beings．

　　The noise that affects sea creatures comes from a number of human activities．It is caused mainly by industrial underwater explosions, ocean drilling, and ship engines．Such noises are added to natural sounds．These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves．

　　Decibels(分贝)measured in water are different from those measured on land．A noise of one hundred and twenty decibels on land causes pain to human ears．In water, a decibel level of one hundred and ninety-five would have the same effect．

　　Some scientists have proposed setting a noise limit of one hundred and twenty decibels in oceans．They have observed that noises at the level can frighten and confuse whales．

　　A team of American and Canadian scientists discovered that louder noises can seriously injure some animals．The research team found that powerful underwater explosions were causing whales in the area to lose their hearing．This seriously affected the whales' ability to exchange information and find their way．Some of the whales even died．The explosions had caused their ears to bleed and become infected．

　　Many researchers whose work depends on ocean sounds object to a limit of one hundred and twenty decibels．They say such a limit would mean an end to important industrial and scientific research．

　　Scientists do not know how much and what kinds of noises are harmful to ocean animals．However, many scientists suspect(认为……是可能的)that noise is a greater danger than they believed．They want to prevent noises from harming creatures in the ocean．

(1)

According to the passage, which of the following is increasingly dangerous to sea creatures?
[　　]
A．	The man-made noises．
B．	The noises made by themselves．
C．	The sound of earthquakes．
D．	The sound of ice-breaking．

(2)

As to the influence of noises on whales, which of the following statements is TRUE?
[　　]
A．	They are deaf to moises．
B．	Noises at a certain level may hurt them．
C．	They are easily confused by noises．
D．	Noises will limit their ability to reproduce．

(3)

We can know from the passage that many scientists think that the noise limit of one hundred and twenty decibels would ________．
[　　]
A．	prevent them from doing their research work
B．	benefit them a lot in their research work
C．	do good to their health
D．	increase the industrial output

(4)

According to the passage, what will scientists most probably do in the future?
[　　]
A．	They will try their best to decrease noise．
B．	They will work hard to cut down noise pollution．
C．	They will study the effect of different noises．
D．	They will protect animals from harmful noises．

答案：1．A;2．B;3．A;4．D;
提示：

(1)	根据文章的第一段可知。
(3)	根据They say such a limit would mean an end to important industrial and scientific research，可知。
(4)	根据Scientists do not know how much and what kinds of noises are harmful to ocean animals．However, many scientists suspect that noise is a greater danger than they believed．They want to prevent noises from harming creatures in the ocean可知。

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相关题目

阅读理解。

　　Many Americans are turning to Japan, they think, a country of high academic achievement and economic success, for possible answers．However, the answers provided by Japanese preschools are not the ones Americans expected to find．In most Japanese preschools, surprisingly little emphasis is put on academic instruction．In one survey, 300 Japanese and 210 American preschool teachers, child development specialists, and parents were asked about various aspects of early childhood education．Only 2 percent of the Japanese respondents(答问卷者)listed“to give children a good start academically”as one of their top three reasons for a society to have preschools．In contrast, over half the American respondents chose this as one of their top three choices．To prepare children for successful careers in first grade and beyond, Japanese schools do not teach reading, writing, and mathematics, but rather skills such as determination, concentration, and the ability to work as a member of a group．The huge majority of young Japanese children are taught to read at home by their parents．

　　Like in America, there is diversity(多样性)in Japanese early childhood education．Some Japanese kindergartens have specific aims, such as early musical training or potential development．In large cities, some kindergartens are attached to universities that have elementary and secondary schools．Some Japanese parents believe that if their young children attend a university-based program, it will increase the children's chances of eventually being admitted to top-rated schools and universities．Several more progressive programs have introduced free play as a way out for the heavy intellectualizing in some Japanese kindergartens．

(1)

We learn from the first paragraph that many Americans believe ________．
[　　]
A．	Japanese parents are more involved in preschool education than American parents
B．	Japan's economic success is a result of its scientific achievements
C．	Japanese preschool education emphasizes academic instruction
D．	Japan's higher education is superior to theirs

(2)

In Japan's preschool education, the focus is on ________．
[　　]
A．	preparing children academically
B．	developing children's artistic interests
C．	developing children's potential
D．	shaping children's character

(3)

Why do some Japanese parents send their children to university-based kindergartens?
[　　]
A．	They can have better chances of getting a first-rate education．
B．	They can make more group experience grow there．
C．	They can be individually oriented when they grow up．
D．	They can do better in their future studies．

(4)

Free play has been introduced in some Japanese kindergartens in order to ________．
[　　]
A．	broaden children's knowledge
B．	lighten children's study load
C．	train children's creativity
D．	enrich children's experience

(5)

Which of the following statements is true?
[　　]
A．	Most of the Japanese preschools pay much attention to academic instructions．
B．	Very few Japanese respondents don't agree to give children a start academically．
C．	In Japan it is common for parents to teach their children at home．
D．	American respondents don't agree to give children a start academically．

阅读理解：

Meaningful Colours

　　Mary did not understand such sentences as “She is blue Today”, “You are yellow”,“He has a green thumb (大拇指)”,“He has told a little white lie”and so on. And she went to her teacher for help.

　　Mary : Mrs Smith, there is a colour in each of these sentences. What do they mean?

　　Mrs Smith : In everyday English, Mary, blue sometimes means sad. Yellowafraid. A person with a green thumbgrows plants well. And a white lie is not a bad one.

　　Mary : Would you give me an example for “a white lie”?

　　Mrs Smith: Certainly. Now I give you some cake. In fact you don't like it, but you won't say it. Instead, you say, “No, thanks. I'm not hungry.”That's a white lie.

　　Mary: Oh, I see. Thank you very much.

1．Sometimes “yellow”means “afraid” in ________ English.

[　　]

2．The farmer doesn't have a green thumb, that is to say ________.

[　　]

A．he is not good at planting

B．all his plants grow well

C．he should have a green thumb

D．he can't grow well like plants

3．John is ________ go to out alone at night. He's yellow!

[　　]

4．Mary didn't want to tell me ________ of her serious illness.

[　　]She told me a white lie.

5．If you fail to pass the exams, you'll be ________.

[　　]

阅读理解：

　　In the United States, boys and girls start school when they are five years old. In some states they must stay in school until they are sixteen. Most students are seventeen or eighteen years old when they graduate from secondary school. Another name for secondary school is high school.

　　Most children go to public elementary (初小) and secondary school. The parents of public school pupils do not have to pay directly (直接地) for their children's education because tax (税)money supports the public schools. If a child attends a private (私立) school, his parents pay the school for the child's education.

　　Today about half of the high school graduates go on to colleges and universities. Some colleges and universities receive tax money from the governments. A student at a state university does not have to pay very much if his parents live in that state. Private colleges and universities are expensive. However, almost half of the colleges students in the United States work while they are studying. When a student's family isn't rich, he has to earn money for part of his college expenses.

1．In the United States, children can start school ________.

[　　]

A．at any time

B．when they are old enough

C．at the age of seven

D．when they are five

2．________ between secondary school and high school.

[　　]

A．There is no difference

B．There is little difference

C．There is some difference

D．There is much difference

3．Most parents in the US ________ for their children's education.

[　　]

A．pay the school

B．pay nothing

C．pay little to the school

D．don't pay the school

4．Some students at a state university don't have to pay much money for their higher education because ________.

[　　]

A．tax money supports some colleges and universities

B．their parents live in that state

C．they earn money

D．their family are not rich

5．Students from poor families ________.

[　　]

A．stop studying after secondary school

B．don't go on to colleges and universities

C．have to work to support their families

D．earn money for part of their college expenses

阅读理解：

　　Suppose we built a robot(机器人)to explore the planet Mars．We provide the robot with seeing detectors(探测器)to keep it away from danger．It is powered entirely by the sun．Should we program the robot to be equally active at all times?No．The robot would be using up energy at a time when it was not receiving any．So we would probably program it to stop its activity at night and to wake up at dawn the next morning．

　　According to the evolutionary(进化的)theory of sleep, evolution equipped us with a regular pattern of sleeping and waking for the same reason．The theory does not deny(否认)that sleep provides some important restorative functions(恢复功能)．It merely says that evolution has programmed us to perform those functions at a time when activity would be inefficient and possibly dangerous．However, sleep protects us only from the sort of trouble we might walk into; it does not protect us from trouble that comes looking for us．So we sleep well when we are in a familiar, safe place, but we sleep lightly, if at all, when we fear that bears will nose into the tent．

　　The evolutionary theory explains the differences in sleep among creatures．Why do eats, for instance, sleep so much, while horses sleep so little?Surely cats do not need five times as much repair and restoration as horses do．But cats can afford to have long periods of inactivity because they spend little time eating and are unlikely to be attacked while they sleep．Horses must spend almost all their waking hours eating, because what they eat is very low in energy value．Moreover, they cannot afford to sleep too long or too deeply, because their survival(生存)depends on their ability to run away from attackers．

(1)

The author uses the example of the robot in space exploration to tell us ________．
[　　]
A．	the differences between robots and men
B．	the reason why men need to sleep
C．	about the need for robots to save power
D．	about the danger of men working at night

(2)

Evolution has programmed man to sleep at night chiefly to help him ________．
[　　]
A．	keep up a regular pattern of life
B．	prevent trouble that comes looking for him
C．	avoid danger and inefficient labour
D．	restore his bodily functions

(3)

According to the author, we cannot sleep well when we ________．
[　　]
A．	are worrying about our safety
B．	are overworked
C．	are in a tent
D．	are away from home

(4)

Cats sleep much more than horses do partly because cats ________．
[　　]
A．	need more time for restoration
B．	are unlikely to be attackers
C．	axe more active than homes when they are awake
D．	spend less time eating to get enough energy

(5)

Which of the following is the main idea of the passage?
[　　]
A．	Evolution has equipped all creatures with a regular pattern of sleeping and waking．
B．	The study of sleep is an important part of the evolutionary theory．
C．	Sleeping patterns must be taken into consideration in the designing of robots．
D．	The sleeping pattern of a living creature is determined by the food it eats．

阅读理解：

　　Several years ago, my parents, my wife, my son and I ate at one of those restaurants where the menu is written on a blackboard．After a wonderful dinner, the waiter set the check in the middle of the table．That’s when it happened：my father did not reach for the check．

　　Conversation continued．Finally I realized that I should pick up the check!After hundreds of restaurant meals with my parents, after a lifetime of thinking of my father as the one with dollars, it had all changed．I reached for the check, and my view of myself suddenly changed．I was an adult．I was no longer a kid．

　　Some people mark off(区分)their lives in years, I measure mine in small events．I didn’t become a young man at a particular age, like 16, but rather when a kid who wandered in the streets called me “mister．” These events in my life are called “milestones”(里程碑)

　　There have been other milestones．The cops(policemen)of my youth always seemed big, even huge, and of course they were older than I was．Then one day they were suddenly realized that all the football players in the game I was watching were younger than I was．They were just big kids．With that milestone gone was the dream that someday, maybe I, too, could be a football player．Without ever having reached the hill, I was over it．

　　I never thought that I would fall asleep in front of the TV set as my father did．Now it’s what I do best．I never thought that I would go to the beach and not swim, yet I spent all of August at the shore and never once went into the ocean．I never thought that I would appreciate opera, but now the combination of voice and orchestra attract me．I never thought that I would prefer to stay home in the evenings, but now I find myself passing up parties．I used to think that people who watched birds were strange, but this summer I fond myself watching them, and maybe I’ll get a book on the subject．I feel a strong desire for a religious belief that I never thought I’d want, feel close to my ancestors(祖先)long gone, and echo my father in arguments with my son．I still lose…

　　One day I bought a house．One day－what a day!–I became a father, and not too long after that I picked up the check for my own father．I thought then it was a milestone for me．One day, when I was a little older, I realized it was one for him, too, another milestone．

(1)

The tone established in the passage is one of ________．
[　　]
A．	sad regret
B．	amusement
C．	happiness
D．	deep feeling

(2)

The author mentions the event in the restaurant because ________．
[　　]
A．	that was one of his milestone
B．	he paid the bill but he didn’t want to
C．	he became a father with dollars
D．	that was the last restaurant meal with his parents

(3)

“Then they were suddenly neither．” Suggests that ________．
[　　]
A．	suddenly they became older than I was
B．	suddenly I knew that they was neither bigger nor older than I was
C．	suddenly I realized that I made mistake
D．	suddenly I found myself no longer a kid

(4)

Which of the following best expresses the author’s thinking?
[　　]
A．	One day is worth two tomorrow
B．	To save time is to length life
C．	When an opportunity is lost, it never comes back to you
D．	Time and tide wait for no man

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