5.(2002年全国高考题)已知函数f(x)=,那么f(1)+f(2)+

=_________.

4.(2002年上海春季高考题)函数y=的定义域为_________.

3.已知函数f(x)的定义域是［0，1］，则函数f(x+a)+f(x-a)(其中0<a<)的定义域是

A.　　　　　　　　　　　　　　　　　　　　　　　　　　　 B.［a,1-a］

C.［-a,1+a］　　　　　　　　　　　　　　　　　　　　　 D.［0,1］

2.(2001年北京春季高考题)已知f(x⁶)=log₂x，那么f(8)等于

A.　　　　　　　　　　　　　　 B.8　　　　　　　　　　　 C.18　　　　　　　　　　 　　　 D.

1.函数y=的定义域是

A.-1≤x≤1　　　　　　　　　　　　　　　　　　　　　　　 B.x≥1或x≤-1

C.0≤x≤1　　　　　　　　　　　　　　　　　　　　　　　　 D.{-1,1}

第二节：书面表达(满分30分)

你校某研究性学习小组正在开展关于“学生与家长、老师、同学之间的关系处理”的 调查。请你就这一话题,按照下列要点写一篇英语短文：

1. 现状：关系处理总体情况较好,但仍存在一些问题,……。

2. 你个人的改进意见(至少两条)。

注意：词数100-120。文章的开头已给出(不计词数)。

A survey about the relationship between students and teachers, family members or classmates is being made by a research study group of our school.

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第一节：短文改错(共10小题；每小题1分,满分10分)

例如英语课上老师要求同学们交换修改作文,请你修改你同桌写的一下作文。文中共有10处语言错误,要求你在错误的地方增加、删除或修改某个单词。

增加：在缺词处加一个漏字符号∧,并在其下面写上该加的词。

删除：把多余的词用斜线＼划掉。

修改：在错的词下划一横线,并在该词下写上修改后的词。

注意：1. 每处错误及其修改均仅限一词；

2. 只允许修改10处,多者(从第11处起)不计分。

例如：It was very nice to get your invitation to spend ∧ weekend with you. Luckily the I was completely free then, so I’llsay “yes”. I’ll arrive in Bristol at around 8 pm. in am　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 on Friday evening.

Wise men don’t always act as wise as we think. At times they maybe do something silly. We always think they are well know, so then the stories about their foolish acts are still widely talked throughout the world in modern times. For example, Beethoven, a great composer, was said to having insisted on paying a waiter in a restaurant for a dinner he has not eaten or ever ordered; the British physicist Newton, while lives in London, cut two holes in the door of his flat, one big, other small, so as to his two cats to pass through. He only thought the bigger cat could not get through the smaller holes easily.

59．What’s the author’s attitude towards milk?

A．He doesn’t like milk any more

B．He used to drink milk as a child．

C．He regards milk as a nutrient．

D．He always cares about calcium, protein when he eats something．

A．All the claims are not completely true ．

B．High milk intakes can lead to cancer．

C．It’s necessary for you to reduce milk intakes．

D．Give up milk for your health．