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问题 多项选择题

哪些是子宫肌瘤患者月经量多经期延长的原因()

A．子宫内膜面积增大

B．凝血机制障碍

C．子宫内膜炎症

D．肌瘤妨碍子宫收缩

E．子宫内膜增生过长

答案

参考答案：A, D, E

选择题

---Could you explain to me what an adventure is, Mr. Smith?

---An adventure doesn't necessarily mean doing something rough and dangerous. It may be _____ that you have never experienced before. [ ]

A. everything

B. something

C. anything

D. nothing

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选择题

将含有n克HNO3的稀溶液，跟m克铁粉充分反应，铁全部溶解，生成气体NO，已知有n/4克HNO3被还原，则n∶m不可能是                                                 

A．3∶1

B．3∶2

C．4∶1

D．9∶2
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