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问题 单项选择题

在工程网络计划的执行过程中，发现某工作的实际进度比其计划进度拖后5天，影响总工期4天，则该工作原来的总时差为______。

A．4天

B．2天

C．6天

D．10天

答案

参考答案：B

单项选择题 A3/A4型题

男性，42岁，近2个月有脓血便。腹部体检未及阳性体征。直肠指诊可及一肿物下缘，质较硬，指套带血。

最可能的疾病为（）

A.直肠内脱垂

B.内痔

C.直肠癌

D.溃疡性结肠炎

E.粪块梗阻
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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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