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问题 单项选择题

男性，40岁，患风湿性心脏病、二尖瓣狭窄，近日因上感加重心力衰竭，检查：心率110次／分，律齐，双下肺可闻湿性啰音，下列哪一种血管扩张剂最适宜（）

A.硝普钠静点

B.硝酸甘油静点

C.酚妥拉明静点

D.口服ACEI类药物

E.钙拮抗剂

答案

参考答案：B

单项选择题

The "standard of living" of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, (1) , depends first and (2) on its capacity to produce wealth." Wealth" in this sense is not money, for we do not live on money (3) on things that money can buy. "Goods" such as food and clothing, and "services" such as transport and " (4) ". A country’s capacity to produce wealth depends upon many factors, most of (5) have an effect on one another. Wealth depends (6) a great extent upon a country’s natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a (7) climate; other regions possess none of them.

Next to natural resources (8) the ability to turn them to use. China is perhaps as well (9) as the USA in natural resources, but suffered for many years from civil and (10) wars, and (11) this and other reasons was (12) to develop her resources. (13) and stable political conditions, and (14) from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well (15) by nature but less well ordered.

A country’s standard of living does not only depend upon the wealth that is produced and consumed (16) its own borders, but also upon what is indirectly produced through international trade. (17) , Britain’s wealth in foodstuffs and other agricultural products would be much less if she had to depend only on (18) grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would (19) be lacking. A country’s wealth is, therefore, much influenced by its manufacturing capacity, (20) that other countries can be found ready to accept its manufactures.

14（）

A.liberty

B.freedom

C.prevention

D.liberation
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单项选择题

睑内翻，倒睫最常见于（）

A.上睑下垂

B.淋球菌性结膜炎

C.沙眼

D.急性卡他性结膜炎

E.春季角结膜炎
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