Which of the following is certainly forbidden according to the passage？
A. Trying to enter the museum after 5:00 p. m.
B. Taking pictures in front of the museum.
C. Talking loudly when you enjoy the collections.
D. Eating and drinking wherever you are.
查看答案
Since the beginning of the 21st century, scientists have become more and more interested in the way______the human brain works.
A. why
B. which
C. in which
D. what
Why do people cry？
A. To get rid of poisonous substances produced by strong feelings.
Because they have to work outside their homes.
C. Because they don't know how to prevent heart diseases.
D. For no reason at all.
A．DuringB．BeforeC．ForD．Within
A. During
Before
C. For
D. Within
She looked at us sadly with her eyes as large as______.
A. her grandmother
B. her grandmother's
C. that of her grand mother's
D. that of her grandmother
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