According to the passage, which of the following is increasingly dangerous to sea creatures? Which of the following is discusse

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问题 According to the passage, which of the following is increasingly dangerous to sea creatures?
Which of the following is discussed in the third paragraph?

选项 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 noise.
D、Different ocean animals may have different reactions to noises.

答案A

解析
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