精原细胞瘤的3个亚型中，恶性程度较高、较易发生转移的是（） A

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问题单项选择题

精原细胞瘤的3个亚型中，恶性程度较高、较易发生转移的是（）

A.典型精原细胞瘤

B.间变型精原细胞瘤

C.精母细胞性精原细胞瘤

D.干细胞性精原细胞瘤

E.间质性精原细胞瘤

答案

参考答案：B

填空题

用所给单词的适当形式填空。

1. I like watching TV and ______ (play) tennis.

2. My sister often plays tennis with ______ (she).

3. Her favorite ______ (subject) in school are music and P.E.

4. Kate's parents ______ (not) like playing computer games.

5. Could you tell me something about ______ (you), Jack?

填空题

石灰脱磷的离子方程（）。