高考阅读专练之能力提高篇 (11)

2008-03-26 14:30:04   来源:转载   评论:0 点击:

                              A
    The Antarctic(南极地区)is actually a desert. It is the only continent on the earth without a river or a lake. 
    The Antarctic is all ice all year round. The warmest temperature ever recorded there is zero, at the south Pole. Explorers used to think that a place so cold would have a heavy snowfall. But less than ten inches of snow falls each year. That is less than half an inch of water. Ten times that much moisture(水分) falls in parts of the Sahara. 
    The little snow that falls in Antarctica(南极)never melts. It continues to pile up deeper and deeper year after year and century after century. When the snow gets to be about eighty feet deep, it is turned to ice by the weight of the snow above it. 

1. Antarctica is called a desert because it ______. 
A. is sandy
B. has the same temperature as desert
C. has little moisture and no lakes or rivers
D. all of the above
2. The Antarctic has ______. 
A. ten times as much moisture as the Sahara
B. the same amount of moisture as the Sahara
C. about one-tenth the moisture of the Sahara
D. none of these
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