第3部分：概括大意与完成句子  (第23～30题，每题1分，共8分)

　　阅读下面这篇短文，短文后有2项测试任务：(1)第23~26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题；(2)第27~30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。请将答案涂在答题卡相应的位置上。

　　Messages from the Media

　　1．The weather forecast，a story about the candidates in an election，and movie reviews are examples of messages from the media．A communication medium，of which the plural(复数的)form is media，is a means of communicating a message．Examples of media are television，radio，newspapers and books and the telephone．The media that can reach many people at once are called mass media．

　　2．  It is not difficult to think of other messages we receive through the mass media．Every day we get hundreds of them．Think about advertisements，for example．We see and heat these messages almost everywhere we go．Advertisements are important messages，even though they are sometimes annoying．They help us compare and evaluate products．

　　3．  Most of us get more information from the media than from the classroom．Think,for a moment，about how you leam about local news and events．Do you depend on other people or the media?What about intemational news?What is the most important source of information for you?People who are asked this question usually answer,"Television．"

　　4．Think of all the messages you received today．Perhaps you read a newspaper during breakfast，or maybe you read advertisements on billboards(露天广告牌)on your way．to schoo1．Did you listen to a weather forecast or the sports news on the radio this morning?Right now you are getting information through a very important medium of mass communication-a book.

　　5．We use the information we get from radio，television，newspapers，and other media to make decisions and form opinions．That is why the mass media are so important.Editorials and articles in newspapers help us decide how to vote，consumer reports on television help us decide how to spend our money,and international news on the radio makes US think and form opinions about questions of war and peace．

　　23 Paragraph 2

　　24 Paragraph 3

　　25 Paragraph 4

　　26 Paragraph 5

　　A lmportance of Classroom Learning

　　B Television-A Rich Source of Information

　　C Advertisements as Important Messages from the Mass Media

　　D Various Messages One May Receive Each Day

　　E Media——Means to Communicate Messages

　　F lmportance of the Mass Media

　　27 Each day we get a lot ofmessages from           .

　　28 Television，radio and books are all important media of        .

　　29 For most people television is the most important         .

　　30 The mass media are important to US because they shape        .

　　A sports news

　　B our decisions and opinions

　　C mass communication

　　D our messages

　　E source of information

　　F the mass media

　　第4部分：阅读理解(第31～45题，每题3分，共45分)

　　下面有3篇短文，每篇短文后有5道题，每题后面有4个选项。请仔细阅读短文并根据短文回答其后面的问题，从4个选项中选择1个最佳答案涂在答题卡相应的位置上。

　　第一篇     A Thirsty World

　　The world is not only hungry,it is also thirsty for water．This may seem strange to you，since nearly 75％of the earth's surface is covered with water．But about 97％of this huge amount is sea．water,or salt water．Man can only drink and use the other 3％一the fresh water that comes from rivers，lakes，underground，and other sources．And we cannot even use all of that，because some of it is in the form of icebergs(冰山)and glaciers(冰川)．Even worse，some of it has been polluted．

　　At the moment，this small amount of flesh water is still enough for us：However，our need for water is increasing rapidly．Only if we take steps to deal with this problem now can we avoid a severe worldwide water shortage later on．A limited water supply would have a bad effect on agriculture and industry．

　　In addition to stopping wasting our precious water,one useful step we should take is to develop ways of reusing it．Experiments have already been done in this field，but only on a small scale．

　　Today,in most large cities．water is used only once and it eventually returns to the sea or runs into underground storage tanks．But it is possible to pipe water that has been used to a purifying(净化)plant．There it can be filtered(过滤)and treated with chemicals so that it can be used again just as if it were fresh from a spring．

　　But even if every large city purified and reused its water,we still would not have enough．Where could we turn next?To the oceans!A11 we'd have to do to make use of the vast amount of sea．water is-remove the salt．This salt．removing process is already in use in many parts of the world．

　　So if we take all these steps，we'11 be in no danger of drying up!

　　31 The phrase "the world"in the first line of the passage refers to

　　A  "man"．

　　B  "you"．

　　C  "woman"．

　　D  "they"．

　　32 What percentage of the earth's water can mall actually use at present?

　　A  Nearly 75 per cent．

　　B  About 97 per cent．

　　C  Exactly 3 per cent．

　　D  Lessthan 3 per cent．

　　33 According to the passage，we can avoid a worldwide water shortage in the future by

　　A  increasing rainfall．

　　B  reusing water and utilizing sea-water．

　　C  cutting down our consumption of water．

　　D  reducing the number of factories producing steel．

　　34 Which of the following statements，according to the passage，is NOT true?

　　A  A limited water supply will affect industrial production．

　　B  Every large city purifies and reuses its water．

　　C  Purified water is not exactly as fresh as spring water．

　　D  Oceans are the largest water source．

　　35 According to the passage，sea-water can be turned into fresh water by

　　A heating it up．

　　B treating it with chemicals．

　　C taking salt out of it．

　　D drying it up．

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