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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199319982003traveling outdoors 60%72%91%staying at home 40%28%9%total100%100%100% 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
单项选择题
According to the author, languages whether civilized or not hate ______.
A.the same way to transfer ideas
B.the potential for increasing sound patterns
C.the potential for expanding vocabulary
D.the same grammatical structures
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