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问题 单项选择题

男，45岁，肝硬化3年病史，突然呕血300ml，黑便3次约500ml，下列哪项不可能出现（）

A.血浆尿素氮升高

B.脾缩小

C.腹水减少

D.出现肝肾综合征

E.诱发肝性脑病

答案

参考答案：C

单项选择题

随碳素钢的含碳量增加，其变形抗力（）。

A．减小

B．增大

C．不变
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单项选择题

Sometimes we have specific problems with our mother; sometimes, life with her can just be hard work. If there are difficulties in your (1) , it’s best to deal with them, (2) remember that any (3) should be done (4) person or by letter. The telephone is not a good (5) because it is too easy (6) either side to (7) the conversation.

Explain to her (8) you find difficult in your relationship and then (9) some new arrangements that you think would establish a (10) balance between you. Sometimes we hold (11) from establishing such boundaries because we are afraid that doing (12) implies we are (13) her. We need to remember that being (14) from our mother does not (15) mean that we no longer love her. If the conflict is (16) and you cannot find a way to (17) it, you might decide to give up your relationship with your mother for a while. Some of my patients had (18) "trial separations". The (19) allowed things to simmer down, enabling (20) .

（16）（）

A.moderate

B.hereditary

C.inevitable

D.extreme
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