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问题
单项选择题 A2型题
某妇女24岁,已婚,平素月经规律,30天一次,现月经过期10天应疑为()
A.早期妊娠
B.闭经
C.月经失调
D.垂体肿瘤
E.以上都不正确
答案
参考答案:
A
选择题
There _____ many kinds of birds around here, but now we seldom see them because of the air pollution.
A. had
B. used to have
C. used to be
D. are
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问答题 论述题
事实婚姻是什么?事实婚姻受法律保护吗?
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