8.设1,2,3,4,5,则展开式中,的系数不可能是( )
(A)10 (B)40 (C)50 (D)80
7.满足当时, ,当时,,则
= ( )
(A) (B) (C) (D)
6.若方程,有四个不同的实根,则实数的取值范围为( )
(A) 0) (B)
(C) ) (D) 0]
5.的反函数为 ,则 ( )
(A)0 (B)1 (C)2 (D)4
4.抛物线上的一点到焦点的距离为1,则的纵坐标是( )
(A) (B) (C) (D)0
3.若都是锐角,下列不等式恒成立的是 ( )
(A) (B)
(C) (D)
2., 若,则 ( )
(A)3 (B)0 (C)-1 (D)-2
1.设集合, 那么是的( )
(A)充分而不必要条件 (B)必要而不充分条件
(C)充要条件 (D)既不充分又不必要条件
第一节:短文改错(共10小题;每小题1分,满分10分)
假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篇作文。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(∧),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,并在该词下面写上修改后的词。
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11处起)不记分。
例如:It was very nice to
get invitation to spend ∧ weekend with you.Luckily
I was completely free then, so I’ll to say “yes”.I’ll arrive in Bristol at am around 8 pm in Friday evening. on |
Dear Miss Brown,
We have received your application last week. We regret to informing you that our company has hired other girl for the job of secretary. Having careful studied your certificate, we decided that we should need someone with more office’s experience for this particular position. You have impressed us,but, with your desire to learn
and your ability to work hard, we do hope that you will apply for position in our company sometimes in the future. We would like to thank you for your interesting in our company. Please contact to us if there are any further questions.
Yours
John Smith
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