Some scientists say that animals in the oceans are increasingly threatened by no
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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 that 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 that noise is a greater danger than they believed. They want to prevent noises from harming creatures in the ocean.
小题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 the ice-breaking. |
| A．Different places with different types of noises. |
| B．The very human ears sensitive to all types of noises. |
| C．The ocean animals" reaction to noises. |
| D．The same noise measured differently on land and in the ocean. |
| 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 |
| 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
解析
举一反三
第一节：请认真阅读下列短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。
Skin-diving is a new sport today．
This sport takes you into a wonderful new world． It is like a visit to the moon！When you are under water，it is easy for you to climb big rocks， because you are no longer heavy．
Here，under water，everything is blue and green．During the day，there is enough light． When fish swim nearby，you can catch them with your hands．
When you have tanks（罐子）of air on your back，you can stay in deep water for a long time．But you must be careful．
To catch the fish is one of the most interesting parts of this sport．On the other hand， you can clean the ships without taking them out of the water．You can get many things from the deep sea．
Now you can see that skin-diving is both useful and interesting．
小题1:Skin-diving can take you to _______ ．
| A．the moon | B．mountains | C．the sun | D．the deep sea |
| A．can see everything clearly | B．can"t see anything clearly |
| C．can see nothing | D．can see only fishes |
| A．catch fish very easily | B．stay under water for a long time |
| C．be in safe place | D．have more fun |
| A．Skin-diving is a new sport． |
| B．Skin-diving is like visiting the moon． |
| C．The only use of skin-diving is to have more fun． |
| D．Skin-diving is both interesting and useful． |
Many people wanted to buy it and the man"s young assistant moved quickly through the crowd collecting money and handing out bottles of the cure．
Then，when he had a big crowd， the man held up a very small bottle．
“And now，ladies and gentlemen，he shouted，“Here is the medicine you have been waiting for．The cure for old age．Drink just one bottle of this and you will live forever．
“And，ladies and gentlemen，the man continued，“I"m not going to charge（向……要价……）you a hundred dollars a bottle for this wonderful medicine．I"m not going to charge you fifty dollars a bottle．I"m not going to charge you twenty-five dollars a bottle．Now，ladies and gentlemen，I"m going to charge you just ten dollars a bottle． Think，my friends，for ten dollars you can live forever．
Most of the people in the crowd did not believe this．
One person shouted，“If it can make you live forever，why don"t you drink it？
Then an other person cried，“Yes， you look as if you"re at least sixty years old．
“Thank you，sir，thank you，the man answered，“I"m so glad you said that． My real age is three hundred and twenty-nine．
The crowd laughed at this but there were still some people who wanted to believe the man ．One of them spoke to the man"s assistant as she passed by ，“Is that true？he asked．“Is he three hundred and twenty-nine？
“Don"t ask me，the assistant said，“I"ve only worked for him for a hundred and fifty years．
小题1: What did the man sell at first at the fair？
| A．a cure for colds |
| B．bottles |
| C．a cure for old age |
| D．a medicine that made people live forever |
| A．one dollar a bottle | B．twenty-five dollars a bottle |
| C．ten dollars a bottle | D．fifty dollars a bottle |
| A．仆人 | B．朋友 | C．同伴 | D．助手 |
| A．The cure for old age is very useful and not so expensive． |
| B．The man is not honest，and so is his assistant． |
| C．The cheaper the medicine is，the more people will buy． |
| D．The two men are very honest，and they would like to help people live forever． |
Animals have been killed for their fur and feathers, for food, for sport, and simply because they were in the way. Thousands of kinds of animals have disappeared from the world forever. Hundreds more are on the danger list today. About 170 kinds in the United States alone are considered in danger.
Why should people care? Because we need animals. And because once they are gone, there will never be any more.
Animals are more than just beautiful and interesting. They are more than just a source of food. Every animal has its place in the balance of nature. Destroying one kind of animal can create many problems.
For example, when farmers killed large numbers of hawks(老鹰), the farmers stores of corn and grain were destroyed by rats and mice. Why? Because hawks eat rats and mice. With no hawks to keep down their numbers, the rats and mice multiplied(繁殖) quickly.
Luckily, some people are working to help save the animals. Some groups raise money to let people know about the problem. And they try to get the governments to pass laws protecting animals in danger.
Quite a few countries have passed laws. These laws forbid the killing of any animals or plants on the danger list. Slowly, the number of some animals in danger is growing.
小题1:Animals are important to us mainly because____.
| A．they give us a source of food | B．they are beautiful and lovely |
| C．they keep the balance of nature | D．they give us a lot of pleasure |
| A．Hundreds of kinds of animals have disappeared forever. |
| B．Many kinds of animals have died out. |
| C．About 170 kinds of animals have disappeared forever. |
| D．All kinds of animals are in danger. |
| A．People care much about animals because they need them. |
| B．Once a certain kind of animals is gone forever, there will never be any more. |
| C．Killing all rats and mice may cause some problems. |
| D．People must not kill any animals. |
| A．Every person will know the importance of protecting wild animals. |
| B．Animals in danger will not be killed any more. |
| C．The number of some animals in danger will increase. |
| D．Animals in danger will be kept away from people. |
When you are learning English, you find 21 wrong to translate a sentence word for word into your 22 language. Take the sentence “How do you do?” as an 23 . If you look 24 each word in the 25 , one at a time, what is your 26 ? It must be a 27 sentence in your native language. Languages do not only have different sounds, they are also 28 in many other ways. It is very 29 to master the rules of word 30 in the study of English, too. If the 31 puts words in a very unusual order, the listener doesn’t 32 the speaker’s sentence easily.
Another thing we must always 33 is that there are a lot of 34 in the English language. For example when we say “look out!” to a man who is in danger, we 35 mean “Be careful!”
When people are parting, they often say “Good—bye 36 ” “Bye—bye!” But sometimes they 37 say “Good morning!” or “Good afternoon!” or “Good evening!” 38 “Good night!” to one another 39 “Good—bye!” You will find few people 40 who know that “Good—bye!” is a short way of saying “God be with you!”
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A car needs gas to run and your body also needs food to work for you. Eating the right kind of food is very important. It can help your body grow strong to take care of what you eat.
There are four main food groups altogether. The dairy group has food like milk, cheese and sour milk. The other three groups are the meat and fish group, the fruit and vegetable group, and the bread and rice group. Each meal should have at least one food from all four main groups. With all these food together, you will be given enough energy during the day.
It is easy to get into bad eating habits. You may eat your breakfast in a hurry to get to school on time. Or you may not have time for a good lunch. It may seem easy to finish your supper with fish and chips all the time. But you will find yourself tired in these days and you can not think quickly.
Watching what you eat will help keep your body healthy and strong. It is also good to take some exercise. It will help you eat more if you take a walk or play games in the open air. Having a good eating habit with some exercise is the key to your health.
小题1:Which of the following diets do you think is the best one?
| A．Eggs, tomatoes and chicken. |
| B．Milk, bread, cabbages and beef. |
| C．Corn, fish, cream and pork. |
| D．Rice, bean curd（豆腐）, apples, fish and chicken. |
| A．Going to school without any breakfast |
| B．Eating fish and chips for supper all the time.. |
| C．Having at least one food from all four groups each meal. |
| D．Having different food from all four food groups. |
A. every person needs food to grow well
B taking exercise can keep your body strong
C. the right kind of food with exercise will keep you healthy
D. enough energy helps people think more quickly
小题4:The underlined word “dairy” in the second passage means _____.
| A．the food made out of cows such as milk and butter |
| B．she shop that sells milk and butter |
| C．a farm where cows are kept |
| D．a place where milk products are made. |
| A．The Four Food Groups | B． A Healthy Diet |
| C．Your Body And Food | D．Food And Your Health |
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