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问题 单项选择题

一个病人腹痛已5天，如果怀疑急性胰腺炎，最有诊断意义的指标是

A．血清淀粉酶

B．血清正铁血红蛋白

C．血清脂肪酶

D．血清钙

答案

参考答案：C

解析：[考点] 急性胰腺炎的诊断[分析] 急性胰腺炎起病后6～12小时血清淀粉酶开始升高，48小时开始下降，持续3～5天。血清脂肪酶常在发病后24～72小时开始升高，持续7～10天，对病后就诊较晚的急性胰腺炎患者有诊断价值，而且特异性也较高。

多项选择题

3～110kV电力网中，应装设自动重合闸装置的有( )。

A．架空线路

B．电缆线路
C．电缆与架空的混合线路
D．旁路断路器
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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) .

6（）

A.on

B.for

C.off

D.to
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