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问题 单项选择题

如下图所示三根细长压杆的截面，材料均相同，它们在纸面内失稳的先后顺序为（）。

A．(a)(b)(c)

B．(a)(c)(b)

C．(b)(a)(c)

D．(c)(a)(b)

答案

参考答案：A

单项选择题

(二)根据下面一段对话内容，从对话右边方框内的选项中选出能填入空白处的最佳选项，其中两项为多余选项。 A: Oh, hi, Tess! I’m sorry. I’m thinking about something. B: ____16____ A: I am. I have a chance to go on a tour. B: A tour What kind of tour A: A music tour. ____17____ B: Wow! That’s great. They are pretty famous. A: ____18____ B: So you’re going to do it A: I don’t know. ____19____ B: It sure would! Where will the tour go A: ____20____ B: How long is the tour A: Four months. B: OK, wish you a happy travel! A: Thank you!

A．This tour is the chance of lifetime.
B．It goes all over North America and South America.
C．It looks like you’re dreaming about something.
D．You’ll have to quit school and your job at the store.
E．My agent wants me to go on a tour with Art’s Jazz Band.
F．Have you told anyone about this yet
G．It would be a great opportunity!
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单项选择题 A1/A2型题

对女性不孕症病人进行有关卵巢功能的检查中，下列不必要的项目是（）

A. * * 细胞学检查

B.宫颈黏液涂片检查

C.基础体温测定

D.诊断性刮宫取子宫内膜活检

E.腹腔镜检查
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