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问题 多项选择题

绒毛结节性滑膜炎的临床表现包括（）.

A.关节内有黄色渗液，含有大量胆固醇或血液

B.关节周围轻微疼痛和慢性肿胀

C.病损可恶变

D.多核巨细胞很常见，有的单核巨噬细胞吞噬脂肪成为泡沫细胞

E.手术切除后无复发

答案

参考答案：A, B, D

完形填空

完成句子（共10小题，每小题1分，满分10分）

1．The zoo ________(吸引) many visitors every day, especially children.

2．Have they __________(宣布) when the race will begin?

3．He was a__________ in the book and didn’t hear the bell at all.

4．You must pay for the book______  ________(提前).

5．The world is __________ ___________（分成）seven continents.

6．You can ________ ________(遗漏) the parts of the story that are not interesting.

7．I learn that the medical team_________ __________(由……组成) ten doctors and twenty nurses.

8.  John Snow proved that the water _____ _____ _____ (应负责任) for cholera.

9．The teacher _________(invite) to the concert arrived on time.

10．John received an invitation to dinner, and with his work _________(finish), he gladly accepted it.
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不定项选择题

下列有机物中含有两个手性碳原子的是[ ]

A．

B．

C．

D．
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