2017年职称英语考试试题及答案_综合类测试题_阅读理解

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　　Many researchers whose work depends on ocean sounds object to a limit of 120 decibels. They say such a limit is a greater danger than they believed. They want to prevent noises from harming creatures in the ocean.

　　41. 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. Man-made noise pollution.
　　D. The sound of steps.

　　42. According to the passage, natural sounds include all of the following EXCEPT ________
　　A. sounds made by animals themselves.
　　B. ocean drilling.
　　C. underwater earthquakes.
　　D. the breaking of ice fields.

　　43. Which of the following is discussed in the third paragraph? ________
　　A. The same noise level produces a difference.
　　B. Different places may have different types of noises.
　　C. The decibel is not a suitable unit for measuring underwater noise.
　　D. Different ocean animals may have different reactions to noises.

　　44. Which of the following is true of whales? ________
　　A. They won't be confused by noises.
　　B. They are deaf to noises.
　　C. Their ability to reproduce will be lowered by high-level noises.
　　D. Their hearing will be damaged by high-level noises.

　　45. 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 animals from harmful noises.
　　C. They will try to set a limit of 120 decibels.
　　D. They will study the effect of ocean noise pollution.

　答案：　　31．D　　　　32．A　　33．B　　　　34．C　　　　35．B　　　　36．C　　37．A　　　　38．A　　　　39．C　　　　40．B
　　41．C　　　　42．B　　　　43．A　　　　44．D　　45．B　

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