问答题
1. 说明这一现象 2.解释产生这种现象的原因 3.预测未来的趋势 (说明:中国游客出国旅游开始于1997年。据统计,当年全国出境旅游的人数为520万人次,到2006年出境旅游的人数已超过3000万人次。)
【参考答案】
[参考范文]
The Increase in the Number of Chinese T......
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Judging from the context, the big green lady (Line 1, Paragraph 1) refers to ______.
A.a lady in charge of the harbor
B.the symbol of New York City
C.the statue of liberty
D.a famous American woman
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The snakehead is very perilous because it ______.
A.has rows of sharp teeth
B.can dart out of hiding holes to chase, and catch
C.may devour every other fish in the lake or pond
D.is regarded as top predator
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