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问题 单项选择题

根据以下资料，回答111-115题。

2008年底，我国网民数从1997年的62万增加到2.98亿，居世界第2位。其中宽带网民数达到2.7亿，手机网民数达到1.2亿。互联网普及率达到22.6%，超过全球平均水平。
2008年底，我国互联网的国际出口带宽由1997年的25.4Mbps增长到640286.7Mbps,11年间增长了25207倍。2008年底，我国IPv4地址数已从2001年底的0.2亿个增加到1.8亿个，全球排名由第9为上升到第3位；域名总数达到1682.6万个。其中国家CN域名在2007年平均每天增长2万个，2008年底已达到1357.2万个。网站总数由2000年的26.5万个增长到2008年的287.8万个，年均增长34.7%。2002年，我国的网页数为1.6亿个，2008年网页数达到160.9亿个。
2005年，我国电子商务交易额达到12992亿元人民币，相当于国内生产总值的7.1%。到2008年底，我国网络购物用户人数达到7400万，占网民总数的24.8%。2008年底，我国使用网络媒体的网民比例达到78.5%，使用电子邮件的网民比例达到56.8%，使用网上教育的网民比例达到16.5%，拥有博客的网民比例达到54.3%。

若我国手机网民全部使用网络媒体，则2008年底，非手机网民中使用网络媒体的比例约为：

A．36%

B．50%

C．64%

D．78%

答案

参考答案：C

解析： 使用手机的用户有1.2亿人，非手机用户有2.98-1.2=1.78亿人，非手机用户数为2.98×78.5%，非手机网名中使用网络媒体的比例为(2.98×78.5%-1.2)÷1.78≈64%，故选C。

完形填空
Although I had left school against the advice of my teachers, I had, without telling anyone, tried to  36  my studies in literature at evening classes. It was a tiresome  37  from one end of the city to another and to  38  among adults was uninteresting. I was the youngest in the  39 , so the friendship I knew at school was  40 . I put up with it for a short period. It was  41  long a walk on cold winter’s nights and it was hard to put my  42  into Shakespeare with wet shoes and trousers. So I continued writing poetry at home.
By chance, I  43  some prizes and awards for literature. A young woman from a  44  company came to the college one day. She told me that I won a national poetry award. I  45  at her in astonishment and disbelief. She wanted to make a short  46  about me, to which I said, “ No, I couldn’t do that.” Not that I had any real  47 . I was just frightened. In the end she  48    me that I should do it the following day.
So I did. They made a short film of me reading one of my  49  and I became  50  interested in literature than ever. I  51  what I should do after this, and decided some weeks later that I could not  52  myself spending the rest of my days dealing with machines. So one evening, I hesitatingly told my parents that I wanted to _53  to school. They were greatly surprised and a little afraid, but they did not try to persuade me not to. They wanted to know if I was  54 , and if I knew what it meant and  55  I realized that if I gave up my job training, it would be very difficult to get a good job. But nothing could stop me, and they asked about the matter no further.
36．A．stop                 B．go on                  C．continue        D．walk
37．A．talk                    B．journey               C．job              D．walk
38．A．do              B．sit             C．talk           D．work
39．A．family         B．class           C．city            D．country

20080812

 
40．A．absent           B．missed          C．lost            D．over

41．A．too             B．very           C．much          D．quite
42．A．mind          B．heart           C．soul            D．thought
43．A．defeated        B．beat            C．won               D．hit
44．A．TV            B．radio            C．shoe            D．food
45．A．looked           B．fixed           C．shouted         D．stared
46．A．talk           B．film             C．conversation     D．speech
47．A．reason         B．cause           C．excuse          D．wish
48．A．advised        B．suggested        C．agreed         D．persuaded
49．A．poems         B．stories          C．speeches        D．plans
50．A．less           B．much          C．far             D．more
51．A．wandered         B．considered      C．discussed        D．wondered
52．A．think          B．consider         C．spend           D．imagine
53．A．drop           B．leave           C．return          D．go to
54．A．sure           B．clear           C．curious         D．true
55．A．whether                       B．that                            C．how            D．what
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选择题

下列关于丙烯（CH3-CH=CH2）的说法正确的（　　）

A．丙烯分子中3个碳原子都是sp3杂化

B．丙烯分子存在非极性键和极性键

C．丙烯分子有7个σ键，1个π键

D．丙烯分子中3个碳原子在同一直线上
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