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问题 选择题

“关爱生命，拥抱健康”是永恒的主题。下列做法不利于人体健康的是[ ]

A．震后灾区饮用水应消毒处理后才能饮用

B．日常生活中应有合理的膳食结构，不挑食、不偏食

C．胃酸过多的病人应少喝汽水

D．香烟的过滤嘴可滤除一些有害物质，故吸烟对人体无害

答案

答案：D

阅读理解

Canada is a very large country.It is bigger than China.China is the third largest country in the world.Canada is the second largest.It has an area of nearly 10 million sq. km. Canada has a very long coastline.To the west is the Pacific Ocean.To the east is the Atlantic Ocean.The Arctic Ocean is in the north.There are very many islands off the Pacific coast and off the Arctic coast.The biggest one in the west is Vancouver Island.In the east there is New Foundland,and in the Arctic Ocean the biggest islands are Baffin Island and Victoria Island.（Greenland is not part of Canada.It is a part of Denmark,a country in northern Europe.）

Canada has a long border with the U.S.A.in the south.In the northwest Canada borders on the American“State of Alaska”.Canada is a northern country.The Arctic Circle is （Latitude 16°N） passes through the northern part.In the south,half of the border with the U.S.A. follows line of latitude 49°N.

小题1:Which of the following statements is true?

A．U.S.A is the second largest country in the world.

B．Canada has nearly 10 million sq. km.So it is the second largest country on the earth.

C．China is as large as Canada and the second largest in the world.

D．Russia is the second largest country in the world.小题2:What ocean is in the north of Canada?

A．The Pacific Ocean.

B．The Atlantic Ocean.

C．The Indian Ocean.

D．The Arctic Ocean.小题3:There are many islands in Canada,and Vancouver Island is ________.

A．in the west

B．in the east

C．in the north

D．in the south
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单项选择题

肝性脑病前驱期的临床表现有

A．可有扑翼样震颤

B．脑电图异常

C．定向力减退

D．昏睡

E．计算力下降
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