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问题 单项选择题

党政领导机关根据工作需要，同时下达几级机关的一种行文方式是（）。

A．多级上行文

B．逐级下行文

C．平行文

D．多级下行文

答案

参考答案：D

填空题

在△ABC中，若已知∠A=60°，再添加一个条件______，就能使△ABC是等边三角形．（只要写出一个符合题意的条件即可）
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填空题
根据句意从方框中选用合适的词语,并用其适当形式填空。
to start with; lead to; spend; aim at; for instance
1. Customers usually enjoy _____ more time eating in a quiet place.
2. The book Tips on Cooking is _____ housewives (家庭主妇).
3. _____, it's too expensive. And what's more important, don't need it at all.
4. There are many things volunteers can do to help. _____ , we can help hand out guidebooks or lead the
     audience (观众) to their seats.
5. Eating too much sugar can _____ health problems.
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