Watch the video again and choose the correct answer.What is the attitude of speaker to the appearance of a person?
A. attentive
B. indifferent
C. neutral
查看答案
What does speaker think 13-year-old Faye look?
A. average, healthy-looking
B. pretty
C. ugly
What is the synonym of the compound word “always-on environment”?
A. off line
B. online
C. on-and-off
How many teenagers are withdrawing from classroom debate because they don’t want to draw attention to the way that they look?
A. nearly one in three teenagers
B. one in five teenagers
C. nearly 35 percent
并联的目的是为了提高水泵的__，串联的目的是为了增加水泵的__。
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