分析 本文是一篇科教类阅读,主要讲的是海洋噪音污染对海洋生物的影响.
解答 51-55 DABBC
51题答案:D考查细节推理,根据文章第一段的Some scientists say that animals in the oceans are increasingly threatened by noise pollution caused by human beings.(一些科学家指出海洋里的动物越来越受到人类造成的噪音威胁).可知本题答案为D选项.
52题答案:A考查细节推理,根据第二段的The noise that affects sea creatures comes from a number of human activities.It is caused mainly by industrial underwater explosions,ocean drilling…(影响海洋生物的噪音来自很多的人类活动,包括工业水下探索、海洋钻井…).可知A选项不属于自然声音,故本题答案为A选项.
53题答案:B考查细节推理,根据文章第三段的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.(一百二十分贝的噪音会使人耳疼痛,在水下一百九十五分贝的噪音产生的影响是一样的).由此可知第三段讨论的是在水下和陆上同一分贝等级会产生不同的影响,故本题答案为B选项.
54题答案:B考查细节推理,根据第三段的The research team found that powerful underwater explosions were causing whales in the area to lose their hearing.(研究团队发现强烈的水下爆炸会导致该地区的鲸鱼失去听力).可知本题答案为B选项.
55题答案:C考查细节推理,根据最后一段最后一句的They want to prevent noises from harming creatures in the ocean.(他们想要保护海洋生物免遭噪音的危害).可知本题答案为C选项.
点评 本文是一篇科教类阅读,题目涉及多道细节理解题,做题时结合原文和题目有针对 性找出相关语句进行仔细分析,结合选项选出正确答案.推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案.
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