The purpose of this article is to
A. warn us not to nap at work
B. explain the danger of sleepiness
C. discuss the side effects of napping
D. make the reader believe the necessity of napping
查看答案
A．placeB．chanceC．pointD．time
A. place
B. chance
C. point
D. time
What does cheese in the story refer to？
A. It refers to things that we want.
B. It refers to things that we eat.
C. It refers to things that we need.
D. It refers to changes.
A．stepB．walkC．comingD．passed
A. step
B. walk
C. coming
D. passed
A．withB．withoutC．forD．not
A. with
B. without
C. for
D. not
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