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问题 单项选择题

10至13世纪的民族大融合，与3至6世纪的民族大融合比较，其最突出的特点在于（）

A少数民族入主中原

B民族大融合为大一统创造了条件

C内地与边境地区经济交流频繁

D封建生产方式向边疆地区扩展

答案

参考答案：D

单项选择题

H股上市公司要求审核委员会成员须有至少（）名成员，并必须全部是非执行董事。

A.2

B.3

C.4

D.5
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填空题



Despite (1) that alcoholic beverages may (2) , a leading medical expert is advising: don’t (3) just yet.
Anybody who’s ever worked in a hospital sees the hospital is full of patients that have (4) disease, but the hospital is not full of patients that have disease related to cholesterol and (5) .
In an (6) in the current New England Journal of Medicine, Dr. Goldberg of Columbia University said it is time to see (7) prevents heart disease. Such a study would give (8) to one group of heart disease patients and not to another, and see (9) .
In the latest study, which followed (10) over a 12-year period, researchers found that those who drank (11) drinks per week (12) of heart attack by (13) compared to (14) .
The lead author, (15) Kenneth Mukamal of Beth Israel Deaconess Medical Center in Boston, insists his study is (16) . For one thing, other studies have not looked at (17) .
Dr. Mukamal says (18) also appear to settle which alcoholic beverage are (19) . "Beer and spirits, beer and liquor, were most ply (20) ."
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