2.设点P是函数
的图象C的一个对称中心,若点P到图象C的对称轴上的距离的最小值
,则
的最小正周期是 ( )
A.2
B.
C.
D. ![]()
1.定义在R上的以3为周期的奇函数,且
在区间(0,6)内解的个数的最小值是
A.2 B.3 C.4 D.5
第二节 书面表达(满分25分)
最近,很多中学生都纷纷开起了自己的博客。请根据下面提示写一篇100词左右的短文,说明自己的看法,开头已给出。
|
学生认为 |
·展示自己;释放压力 |
|
老师和家长认为 |
·浪费时间;耽误学习 |
|
你的看法 |
? |
Nowadays, it is a common phenomenon that more and more high school students open their own blogs.
第一节 短文改错(共10小题;每小题1分,满分10分)
此题要求改正所给短文中的错误.对标题号的每一行做出判断:如无错误,在该行右边的横线上划(√);如有错误(每行只有一个错误),则按下列情况改正:
此行多一个词: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。
此行缺一个词:在缺词处加一个漏字符号(^),在该行右边横线上写出该加的词。
此行错一个词:在错的词下划一横线,在该行右边横线上写出改正后的词。
注意:原行没有错的不要改。
When father buys me a computer as a birthday present 76.
in last year, I felt very excited. As we all know, computers 77.
are getting more usefully nowadays. Much information 78.
can be stored in it. We can learn what has lately happened 79.
in the world on an Internet. People had to do lots of work 80.
which was very dangerous. Now computers can do it instead. 81.
When an exam is come, I do exercises on my computer. 82.
Then it will correct them but tell me the right answers. 83.
It is much convenient for me to prepare for the exam than 84.
before. The computer have become a real friend of mine. 85.
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