分析 本文是一篇科教类阅读,属于说明文,天气影响了人民生活的许多方面,了解和理解天气是十分有用的.然而,天气也是世界上最不可预测的元素之一.本文以此展开谈论,主要讲述了有无线气象站的价值.
解答 46.答案:B.段落大意题.根据第二段内容,尤其是"However,owning wireless weather stations allows the owners to monitor the weather for themselves."可知,作者主要解释了有无线气象站的价值.故选B.
47.答案:A.词义猜测题.根据"Both farmers and fishermen rely on the weather for their business and using up-to-date weather information is quite indispensable."可知,民和渔民依靠天气为他们的业务和使用最新的天气信息是必不可少的.可推测出indispensable意为至关重要的,必不可少的.故选A.
48.答案:D.细节理解题.根据"The weather stations are very simple to set up and are run by solar panels(太阳能电池板),ensuring they will work even if there is a power cut."可知,一个无线气象站可以继续工作,即使有一个电源故障.故选D.
49.答案:D.推理判断题.根据文章内容,尤其是"The weather affects many aspects of people's daily life.Knowing and understanding what the weather is doing is useful."可知,坏天气和意外给人们的日常生活带来了巨大的麻烦.故选D.
50.答案:B.主旨大意题.阅读全文,根据文章内容可知,本文主要讲述了天气对人们影响很大,拥有无线气象站很必要.故选B.
点评 本文是一篇科教类阅读,题目涉及多道细节理解题,推理判断题,主旨大意题,词义猜测题,段落大意题.做题时学生应仔细阅读原文,把握文章主要内容,联系文章上下文内容并结合所给选项含义,从中选出正确答案,一定要做到有理有据,切忌胡乱猜测.
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