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问题 选择题

父亲能卷舌（基因组成：AA），母亲不能卷舌（基因 组成：aa），他们的后代基因组成是Aa，下列说法正确的是[ ]

A．基因组成为Aa的个体中的A和a互不影响，都会继续遗传下去

B．基因组成为Aa的个体中A会继续遗传下去，a不会继续遗传下去

C．基因组成为Aa的个体中a会继续遗传下去，A不会继续遗传下去

D．基因组成为Aa的个体中的A和a互不影响，它们控制的性状同时表现出来

答案

答案：A

单项选择题

患者，男性，31岁，有胃溃疡穿孔手术史，3天前出现腹胀、腹痛伴呕吐、肛门停止排便排气，经检查诊断为肠梗阻，现最为重要的是了解梗阻的

A．原因

B．部位

C．程度

D．发生速度

E．是否绞窄
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单项选择题

Analysts have their go at humor, and I have read some of this interpretative literature, (1) without being greatly instructed. Humor can be (2) , (3) a frog can, but the thing dies in the process and the innards are (4) to any but the pure scientific mind.

One of the things (5) said about humorists is that they are really very sad ’people clowns with a breaking heart. There is some truth in it, but it is badly (6) . It would be more (7) , I think, to say that there is a deep vein of melancholy running through everyone’s life and that the humorist, perhaps more (8) of it than some others, compensates for it actively and (9) Humorists fatten on troubles. They have always made trouble (10) They struggle along with a good will and endure pain (11) , knowing how well it will (12) them in the sweet by and by. You find them wrestling with foreign languages, fighting folding ironing hoards and’ swollen drainpipes, suffering the terrible (13) of tight boots. They pour out their sorrows profitably, in a (14) of what is not quite fiction nor quite fact either. Beneath the sparking surface of these dilemmas flows the p (15) of human woe.

Practically everyone is a manic depressive of sorts, with his up moments and his down moments, and you certainly don’t have to be a humorist to (16) the sadness of situation and mood. But there is often a rather fine line between laughing and crying, and if a humorous piece of writing brings a person to the point (17) his emotional responses are untrustworthy and seem likely to break over into the opposite realm, it is (18) humor, like poetry, has an extra content, it plays (19) to the big hot fire which is Truth, and sometimes the reader feels the (20) .

6（）

A.consulted

B.commented

C.remarked

D.stated
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