题目内容

请指出事件4中有哪些不妥之处并改正。安全控制的三个重点是什么？

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“天苍苍，野茫茫，_________”是北朝民歌《敕勒歌》中的诗句，描写了北方大草原的风光。

The road to the island only appears when the tide has______.

A. sprinkled
B. receded
C. tilted
D. diminished

毛入学率与净入学率

听力原文：I think we should do something about the furniture in the main office. The secretaries all say they are very cramped and make people feel very uncomfortable. Maybe we can reorganize them and make the office look more bright and spacious. Besides, some of the desks and chairs need to be replaced.
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