The passage provides information m answer which of the following questions？
A. Which is the most powerful influence on the health status of a population？
B. Which nation in the world leads in health status？
C. Is the life expectancy of males in the U. S. longer than of females？
D. What are the most important genetic factors influencing the health of an individual？
查看答案
From the context we may figure out that the word "plagued" (paragraph 1 ) means ______.
A. annoyed
B. infected
C. damaged
D. affected
The assumed relationship between the teacher and the students is ______.
A. people who are capable of being wrong and who are not capable of being wrong
B. the correct and wrong side
C. sender and receiver of knowledge
D. leading and following roles
From the article, we can guess the author was ______.
A. quite smart
B. blind
C. born in a rich family
D. a great woman
听力原文：M：Would you like a copy of Professor Smith's article？
W：Thanks，if its not too much trouble．
Q：What does the woman imply？
(7)
A. She is not interested in the article.
B. She has given the man much trouble.
C. She would like to have a copy of the article.
D. She doesn't want to take a copy of the article.
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