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问题 单项选择题

腹膜刺激征发生的机制是

A．内脏肿大及淤血

B．肝胰肿瘤有淋巴结转移

C．肠腔胀气及炎症

D．胆总管结石并梗阻

E．壁层腹膜受炎症累及

答案

参考答案：E

解析：腹前的壁层腹膜受炎症累及时，可引起局部疼痛和反射性腹肌紧张，出现腹膜刺激征。

单项选择题

北京梅园中梅花通过（）繁殖，能在北京过冬。

A.扦插

B.压条

C.嫁接

D.有性繁殖
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单项选择题

Divorce is the act by which a valid marriage is dissolved, usually freeing the parties to remarry. In regions in (1) ancient (2) authority still predominates, divorce may be (3) and rare, especially when, as among Roman Catholics and Hindus, the religious (4) views marriage (5) indissoluble. Custom, (6) , may make divorce a simple matter in (7) societies. (8) some Pueblo Indian tribes a woman could divorce her husband (9) leaving his moccasins on the doorstep. The (10) of individual determination and mutual (11) are making divorce (12) acceptable in the (13) parts of the world.

Among premodern societies, the rate of marital stability is difficult to (14) (15) the varying definitions of (16) and divorce. It seems to be broadly true (17) wherever divorce is a legal impossibility the wedding is a well-defined event conducted with (18) formality. The (19) principle does not hold true: elaborate marriage ceremonial is quite compatible with high divorce rates. Many anthropologists agree that divorce is generally more permissible in matrilineal societies (20) in patrilineal ones, in which the procreative and sexual rights of the bride are often symbolically transferred to the husband with the payment of bride-price.

7（）

A.any

B.anything

C.some

D.something
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