填空题
No direct relationship has been proven between high cholesterol levels and heart attacks.
【参考答案】
N
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问答题
1.上表显示1993、1998、2003年人们的不同度假方式。请描述其变化2.说明发生这些变化的原因3.今后人们的度假方式还可能有怎样的变化
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单项选择题
According to the author, anthropologists would have all culture viewed ______________.
A.comparatively
B.independently
C.intrinsically
D.hierarchically
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