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问题 选择题

They _____ this estimate ______ the figures for the last three years.  [ ]

A. are based; with

B. based; according to

C. are based; on

D. based; upon

答案

答案：D

情景交际

根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

― Can I help you?

－Yes, I'm looking for a sweater.

－ 1_____

－ I'm an extra large.

－ 2_____

－ Yes, that's nice. 3_____

－ Certainly, there is a changing room over there.

－ Thank you.

－ 4_____

― It's too large. Do you have a large?

― 5_____

― Thank you. I'll have it, please.

A. How does it fit?

B. How about this one?

C. Can I try it on?

D. Yes, let me have a look.

E. What size are you?

F. How would you like to pay? Yes, here you are.

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问答题 简答题

不良和特殊地质地段隧道施工的一般原则有哪些？
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