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11.The weather affects many aspects of people's daily life.Knowing and understanding what the weather is doing is useful.
    However,the weather is also one of the most unpredictable elements in the world.Although many people watch the morning news and gather the information about the weather,this is often wrong.Whole days can be ruined by believing that the weather will be one thing,when it turns out to be another.However,owning wireless weather stations allows the owners to monitor the weather for themselves.
    Not only will these weather stations allow the owners to see what the weather is doing,but it is personalized to them and their area.Wireless weather stations are specifically prepared for the immediate neighborhood.Plans will be able to be made,and important decisions will no longer be ruined by bad weather.
    Although these weather stations are typically seen in homes,they can also be used very easily on farms and fishing boats.Both farmers and fishermen rely on the weather for their business and using up-to-date weather information is quite indispensable.By using the wireless weather stations,it can determine for them when to harvest crops and head back to the shore.Due to the size of the weather stations,they can be moved very easily and used wherever is necessary for people.
    The wireless weather stations are great for all homes,especially for areas that suffer from extreme weather conditions.
    The up-to-date,instant weather reports will allow a person to monitor what the weather is doing and if the bad weather is heading in their direction.Extreme weather tends to come very quickly,therefore,any information that is received is helpful.
    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.They are far smaller than those in previous years and give a couple of very simple read-outs for the owner.They are easy to use and fascinating to understand.

46.From Paragraph 2,the author intends toB
A.show us how unpredictable the weather used to be
B.explain the value of having wireless weather stations
C.make it clear how popular the morning news is
D.show how people got weather information in the past
47.What does the underlined word"indispensable"in Paragraph 4 mean?A
A.Essential     
B.Indifferent     
C.Attractive      
D.Impossible
48.What can we learn about a wireless weather station?D
A.The information it provides is slow but more specific.
B.It is hard to set up but can be moved from one place to another.
C.It is economical and saves money in the long run.
D.It can continue to work even if there is a power failure.
49.From the passage,we knowD.
A.it's hard to apply the weather stations to farms and fishing boats now
B.people never considered weather when making plans and important decisions
C.children,unlike adults,learned more about the weather and environment
D.bad and unexpected weather brought great trouble to people's daily life
50.What's the main idea of the text?B
A.The weather and its effects on people's daily life.
B.Good reasons for having wireless weather stations.
C.The weather--the most unpredictable element in the world.
D.The importance of knowing and understanding the weather.

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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