3.一个三棱锥的所有棱长都是1,那么这个三棱锥在平面α上的射影的面积不可能是BA B
C
D
2.在等差数列{an}中,a1=,从第10项开始比1大,记
,则t的取值范围是D
A. B.
C.
D.
1.单位有六个科室,现招聘来4名新毕业的大学生,要随机安排到其中的两个科室且每科室2名,则不同的安排方案种数为DA.
B.
C.
D.
11.(09江苏) He did not regret saying what he did but felt that he it differently.
A. could express B. would express
C. could have expressed D. must have expressed
[答案]C
10.(09全国2) I can’t leave. She told me that I stay here until she comes back.
A. can B. must C. will D. may
[答案]B
9.(09重庆) -Hi, Tom.
Any idea where Jane is?
-She_____in the classroom.
I saw her there just now.
A.
shall be B. should have been
C. must be D.
might have been
[答案]C
8.(09天津) This printer is of good quality. If it _______ break down within the first year, we would repair it at our expense.
A. would B. should C. could D. might
[答案]B
7.(09四川) -I don’t care what people think.
-Well,
you _______
A.
could B.
would C. should D.
might
[答案]C
[解析]考查情态动词的用法。答话的人提了一个建议--你应该关注别人对你的评价的。should可以用来向别人提建议,所以答案为:C
6.(09上海) It_____ have been Tom that parked the car here, as he is the only one with a car.
A.
may
B. can
C. must D.
should
[答案]C
5.(09海南) What do you mean, there are only ten tickets? There be twelve
A. should B. would
C. will D. shall
[答案]A。 你这是什么意思,只有十张票吗?应该有十二人。should表示“应该,应当”。
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