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问题 单项选择题

最常见的卵巢恶性肿瘤是()

A．未成熟畸胎瘤

B．转移性卵巢癌

C．内胚窦瘤

D．黏液性囊腺癌

E．浆液性囊腺癌

答案

参考答案：E

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提示作文 (10分)
请结合以下材料，以“Great changes in my hometown”为题，写一篇80个词左右的短文。
 
Road
Food
Clothes
Education
Activities
In the past
narrow
little
few
No chance to go to school
Very few
Nowadays
wide
Have a healthy diet
Many different kinds of clothes
good
More kinds like drawing dancing……
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多项选择题

不铸造金币，没有金币流通，实际流通的是纸币--银行券，银行券规定含金量，但不能直接兑换黄金，只能兑换外汇。这种金本位制是（）。

A.金汇兑本位制

B.金块本位制

C.平行本位制

D.生金本位制

E.虚金本位制
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