希恩（sheehan）综合征属于（）
A.下丘脑性闭经
B.精神性闭经
C.子宫性闭经
D.卵巢性闭经
E.垂体性闭经
参考答案：E
用sometimes，sometime，some times或some time完成下面的句子
1.-Will you stay in Beijing for __________?
-Yes, I will.
2. __________ he goes to school by bike and __________ by bus.
3. The museum was built __________ before 1258.
4. After __________, Mr Liu came back from abroad.
5. He has been told not to play computer games too much __________.
我国公民的权利和义务具有一致性。( )
