5. 若集合,则等于
A、 B、
C、 D、
4. 函数的图象关于原点中心对称,则
A、有极大值和极小值 B、有极大值无极小值
C、无极大值有极小值 D、无极大值无极小值
3.设则=
A、0 B、1 C、 D、-2
2. 函数的最小正周期是
A、 B、 C、 D、
1. 若且,则角的终边所在象限是
A、第一象限 B、第二象限 C、第三象限 D、第四象限
第二节 书面表达(满分25分)
假如你是李华,针对目前有些中学生购买彩票的现象,给21st Century 报社编辑写信,并谈谈自己的看法,其中包括以下要点:
1.弊远大于利;
2.中学生没有经济来源,容易诱发一些不良行为;
3.从当前说,会影响学习;
4.从长远看,认为仅靠运气就能成功的观念,对学生的一生产生危害。
注意(1)信的开头和结尾已经给出;
(2)必须包括以上要点,可适当发挥,但不要逐句翻译;
(3)字数100左右,不包括开头、结尾。
Dear editor,
At present, many high school students are addicted to buying lottery tickets and they seem to have good reasons. However, I’d like to talk about my views on the phenomenon.
______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Therefore, I think it is necessary for them to keep away from lottery stations and concentrate on their studies for now.
Yours,
Li Hua
豫南九校2009-2010学年上期第三次联考
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:
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。
When I walked into the classroom, the teacher was handing
in the tests. I was feeling very nervous. I had not studied 76._______
at all at the weekend as I had thought it would be easy test. 77._______
I went through the paper for many times but I could only answer 78._______
three out from the twenty questions. I did not want to fail 79._______
the exam. Then, I put my book under my desk, opening it 80._______
and started looking for the answer. The teacher wasn't 81._______
looking at me, but I copied something. Suddenly, I felt a hand 82._______
on my shoulder! The teacher caught me cheating. I don't 83._______
know what to say. Luckily, the teacher did not punish for 84._______
cheating but instead gave me a second chance. 85._______
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