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(太陽能電池板),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 本文是一篇科教類閱讀,屬于說明文,天氣影響了人民生活的許多方面,了解和理解天氣是十分有用的.然而,天氣也是世界上最不可預(yù)測的元素之一.本文以此展開談?wù),主要講述了有無線氣象站的價值.

解答 46.答案:B.段落大意題.根據(jù)第二段內(nèi)容,尤其是"However,owning wireless weather stations allows the owners to monitor the weather for themselves."可知,作者主要解釋了有無線氣象站的價值.故選B.
47.答案:A.詞義猜測題.根據(jù)"Both farmers and fishermen rely on the weather for their business and using up-to-date weather information is quite indispensable."可知,民和漁民依靠天氣為他們的業(yè)務(wù)和使用最新的天氣信息是必不可少的.可推測出indispensable意為至關(guān)重要的,必不可少的.故選A.
48.答案:D.細(xì)節(jié)理解題.根據(jù)"The weather stations are very simple to set up and are run by solar panels(太陽能電池板),ensuring they will work even if there is a power cut."可知,一個無線氣象站可以繼續(xù)工作,即使有一個電源故障.故選D.
49.答案:D.推理判斷題.根據(jù)文章內(nèi)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,壞天氣和意外給人們的日常生活帶來了巨大的麻煩.故選D.
50.答案:B.主旨大意題.閱讀全文,根據(jù)文章內(nèi)容可知,本文主要講述了天氣對人們影響很大,擁有無線氣象站很必要.故選B.

點(diǎn)評 本文是一篇科教類閱讀,題目涉及多道細(xì)節(jié)理解題,推理判斷題,主旨大意題,詞義猜測題,段落大意題.做題時學(xué)生應(yīng)仔細(xì)閱讀原文,把握文章主要內(nèi)容,聯(lián)系文章上下文內(nèi)容并結(jié)合所給選項(xiàng)含義,從中選出正確答案,一定要做到有理有據(jù),切忌胡亂猜測.

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