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问题 单项选择题 A1/A2型题

人 * * 瘤病毒可引起（）。

A.尖锐湿疣

B.获得性免疫缺陷综合征

C.淋病

D.生殖器疱疹

E.梅毒

答案

参考答案：A

解析：人 * * 瘤病毒可引起尖锐湿疣。获得性免疫缺陷综合征、淋病、生殖器疱疹和梅毒分别由人类免疫缺陷病毒、淋球菌、单纯疱疹病毒和梅毒螺旋体引起。

单项选择题

下述气胸的病理生理中哪项是最易引起循环功能衰竭（）

A.患侧肺萎缩

B.健侧肺受压

C.气管移位

D.纵隔摆动

E.残气对流
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填空题

World Water Shortage


A new study warns that about thirty percent of the world’s people may not have enough water by the year 2025.
A private American organization called (1) Action International did the new study. It says (2) than three-hundred-thirty-five-million people (3) enough water now. The people live in twenty-eight (4) . Most of the countries are in Africa or the (5) East.
P-A-I researcher Robert Engelman says (6) the year 2025, about three-thousand-million people (7) lack water. At least 18 more countries are (8) to have severe water problems. The demand (9) water keeps increasing. Yet the amount of water on Earth (10) the same.
Mr. Engelman says the population in countries that lack water is (11) faster than in other parts of the world. He says (12) growth in these countries will continue to (13) .
The report says lack of water in the future may (14) in several problems. It may increase health (15) . Lack of water often means drinking (16) not safe. Mr. Engelman says there are problems (17) over the world because of diseases, such as cholera, (18) are carried in water. Lack of water may also result (19) more international conflict. Countries may have to (20) for water in the future. Some countries now get sixty percent of their fresh water from other countries. This is true of Egypt, the Netherlands, Cambodia, Syria, Sudan, and Iraq. And the report says lack of water would affect the ability of developing to improve their economies. This is because new industries often need a large amount of water when they are beginning.
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