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问题 单项选择题

珊瑚堡礁以位于澳大利亚东北岸外16～241千米处的（）为最大，长达2012千米。《海底总动员》中的小丑鱼尼莫就生活在那里。

A.塔古拉堡礁

B.大堡礁

C.新喀里多尼亚堡礁

D.斐济双堡礁

答案

参考答案：B

填空题

用括号中所给单词的正确形式填空，完成句子。

1. Would you mind______(open) the door?

2. He____(like) playing football.

3. Mr Wang tells us not_____(smoke) in the room.

4. Look! The teacher____(swim) now.

5. May I______(listen) to music this afternoon?

6. The doctor asked me ______(drink) more water.

7. It takes me thirty minutes_______ (get) to the shop.

8. We ______ (visit) our aunt last week.

9. Do you enjoy ______ (walk) after supper?

10. We're going to _______  (grow) some flowers in the garden.
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单项选择题

某项目现金流量如下：

计算期 0 1 2 3 4 5 6
净现金流量 -200 60 60 60 60 60 60

若基准收益率大于零，则其动态投资回收期的可能值是（）年。

A．2.33

B．2.63

C．3.33

D．3.63
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