The subjects of Dr. Sargent's study are ______.
A. college students
B. high school graduates
C. pre-school children
D. elementary and high school students
查看答案
Where was the man going？
A. To pick apples.
B. To visit rich people.
C. To ask for food.
The short story happened on a Sunday.
A. Right.
B. Wrong.
C. Doesn't say.
【B9】
A. die
B. grow
C. stop
The word enhance in the passage is closest in meaning to
A. simplify
B. improve
C. replace
D. interrupt
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