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问题
单项选择题
既能润肺止咳，又能灭虱杀虫的是（）
A.槟榔
B.百部
C.苦楝皮
D.款冬花
E.紫菀
答案
参考答案：
B
填空题
选词填空。
Where, What, Whose, What colour
1. ___________ books are these? They are my mother's.
2. ___________ do you work? In a school.
3. ___________ is Amy's hair? It's black.
4. ___________ are those? They are books.
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问答题 简答题
什么叫浓缩倍数？
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