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7.若对任意x∈R,(m-2)x2+4(2―m)x―4的值恒为负值,则m的取值范围为

  A.(1, 2)       B.(-∞,2)        C.(1,2]   D.(∞,2]

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6.函数y=logaxx∈[2,+∞)上恒有|y|>1,则a的取值范围为

A.<a<2,且a≠1                  B.0<a<或1<a<2   

C. 1<a<2                         D. a>2或0<a<

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5.如果loga<1,那么a的取值范围是

  A.(0,)∪(1,+∞)                  B.(, +∞)

  C.(,1)                           D.(0,)∪(,+∞)

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4.已知二次函数f(x)=ax2+2ax+1在区间[-3,2]上的最大值为4,则a的值为

  A.-3          B.-             C.3           D.-3或

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3.设P=loga(a2+1), Q=loga(a3+1),a>0且a≠1,则P、Q的大小关系是

  A.P>Q      B.P<Q         C.P=Q        D.与a 有关

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2.已知椭圆的离心率 e=-, 则m的值为

A.3         B.或3        C.      D.

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只有一项是符合题目要求的.

1.已知函数f(x)=loga x在[2,π]上的最大值比最小值大1,则a等于

A.            B.               C.或         D.不同于A、B、C答案

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第三节 书面表达(满分25分)

请根据以下图表和提示,用英语写一篇关于我国居民手机拥有量变化的报告,并阐述手机给人们生活所带来的利与弊。

million
 
1.    方便,可随时随地与人联系
2.    提供多种功能可满足不同要求,如发短信,上网等
3.    利用短信欺骗他人和犯罪(commit a crime)
4.    电磁辐射(radiation)有害健康
注:1. 词数100字左右
 2.开头已为你写好(不计入总词数)
 
 

As can be seen from the chart, great changes have been taking place in the ownership of mobile phones in China._________________________________________

_______________________________________________________________________

______________________________________________________________________________________________________________________________________________

_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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第二节 根据下列句子的意思和空格中单词首字母补全单词。(共10句,每空0.5分,满分5分)

86. The price of vegetables v______________ from season to season.

87. Chunxi Street is the c _______________ center of Chengdu.

88. The c ______________ between different ethnic groups caused a series of wars.

89. It suddenly o ______________ to me that I might have been taken in by him.

90. Many countries highly v ______________ China’s role in keeping world peace.

91. Zhang Wuben exaggerated the quantity of ______________ (营养物质) contained in

  beans and garlic, causing their price to rise rapidly.

92. Having lost a leg in the car accident, the girl remained ______________ (乐观的) 

  and tried to cheer up other patients in her room.

93. The CEO of the company has announced his ______________ (打算,意图) to retire.

94. Zhen He was the first Chinese to make a ______________ (航海,航行) around the 

  world.

95. His ______________ (鼓舞人心的) speech gave encouragement to all the audience

present.

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第一节 短文改错(共10小题;每小题0.5分,满分5分)

此题要求改正所给短文中的错误。对标有题号的每一行作出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:该行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

  该行缺一个词:在缺词处加一个漏字符号(^),在该行右边的横线上写出该加的词。

  该行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。

  One day, I was cooking in the kitchen as the                 76. _______

telephone rings. I went to answer it immediately.               77. _______

She was my close friend, Lisa. When we were talking       78. _______

on a phone, the fire alarm sounded. I ran back to the             79. _______

kitchen. The room full of smoke and the beef was badly          80. _______

burnt. I quickly turned off the gas, opening all the            81. _______

windows, and then went out of the house. In my                82. _______

surprise, two fire engines were outside my house. I             83. _______

was rather worried and told about the firemen that it            84. _______

was my careless cooking which caused the heavy smoke.   85. _______

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