2. 他們對正在被討論的問題根本不感興趣。
2. They are not interested in the question being discussed at all.
百年學典課時學練測系列答案
仁愛英語同步練習冊系列答案
學習實踐園地系列答案科目：高中英語 來源： 題型：
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 hu?man activities. It is caused mainly by industrial underwater explo?sions,ocean drillings,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 (分貝) 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 ninetyfive 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 ex?change information and find their ways. Some of the whales even died. The explo?sions 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.
1. According to the passage,which of the following is increasingly dangerous to sea creatures?
A. The sound of a car. B. The sound of voices.
C. Manmade noise pollution. D. The sound of steps.
2. According to the passage,natural sounds include all of the following EXCEPT
A. sounds made by animals themselves
B. ocean drillings
C. underwater earthquakes
D. the breaking of ice fields
3. Which of the following is discussed in the third paragraph?
A. The same noise level produces a different effect on land and in the ocean.
B. Different places may have different types of noises.
C. The decibel is not a suitable unit for measuring underwater noises.
D. Different ocean animals may have different reactions to noises.
4. According to the passage,what will scientists most probably do in the future?
A. They will work hard to reduce ocean noise pollution,
B. They will protect the creatures in the ocean from harmful noises.
C. They will try to set a limit of 120 decibels.
D. They will study the effect of ocean noise pollution.
查看答案和解析>>
科目：高中英語 來源： 題型：
Last year my brother and I visited an aquarium at the seaside. When I 1. (回憶/思考) those wonderful marine animals,I can't help being excited. There I 2. (親眼看見) 3. (巨大的) killer whales,clever dolphins,sharks,seals,slow turtles,quick eels,and so on. They gave me a deep and 4. (生動的) memory. What I'm most interested in are killer whales.
I learn that on the Internet killer whales are known for their strong bodies and violent characters. But after training,they can help humans do many things. The whalers use killers to catch their 5. (目標)the baleen whales,which are on their 6. (每年的) migration. When the killers find a baleen whale,they will yell at its owner. They stop it 7. (潛水) or 8. (逃離) out to sea through 9. (協作) .They often throw themselves without pausing on the top of the whale's blowhole to stop it breathing. When the whale is killed,they will 10. (拖) its body into the 11. (深處) of the sea to enjoy the 12. (美味的) lips and tongue.
Recently,people 13. (意識到) the fact that the number of the killers has decreased and 14. (極力主張) that a nature conservation should be built and a law should be made to protect them. I think we should build a good 15. (關系〉with all the animals.
查看答案和解析>>
科目：高中英語 來源： 題型：
1. 湯姆躲藏在門后面，從那里他可以清楚地聽到媽媽的腳步聲。
Tom hid himself behind the door, the steps of his mother clearly, (from where +從句)
查看答案和解析>>
科目：高中英語 來源： 題型：
6. Thee frequent attacks on the schoolyard required the local police to take (urge) action to fight against the criminals.
查看答案和解析>>
科目：高中英語 來源： 題型：
6. A car was climbing the (陡峭的) hill slowly. We all held our breath and watched its movement.
查看答案和解析>>
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
違法和不良信息舉報電話：027-86699610 舉報郵箱：58377363@163.com