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问题 单项选择题 A1/A2型题

手术后3天出现腹胀、呕吐，首先考虑（）

A.粘连性肠梗阻

B.肠麻痹恢复期

C.腹腔出血

D.消化道内出血

E.腹腔感染

答案

参考答案：A

解析：急性粘连性肠梗阻主要表现是小肠机械性肠梗阻的表现，患者多有腹腔手术、创伤或感染的病史。手术后近期发生的粘连性肠梗阻应与手术后肠麻痹恢复期的肠蠕动功能失调相鉴别，后者多发生在手术后3～4日，当肛门排气、排便后，症状便自行消失。故答案应选A。

单项选择题

There are fundamentally two possible changes in an economy that will each cause inflation unless other compensating changes also occur. There changes are either reductions in the supply of goods and services or increases in demand. In a prebanking economy the quantity of money available, and hence the level of demand, is equivalent to the quantity of gold available.
If the statements above are true, then it is also true that in a prebanking economy

A．any inflation is the result of reductions in the supply of goods and services.

B．if other factors in the economy are unchanged, increasing the quantity of gold available will lead to inflation.

C．if there is a reduction in the quantity of gold available, then, other things being equal, inflation must result.

D．the quantity of goods and services purchasable by a given amount of gold is constant.

E．(E) whatever changes in demand occur, there will be compensating changes in the supply of goods and services.
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问答题 论述题

儿童绘画教学有哪一些的种类，请列举说明各自方法。
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