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【单选题】
真空中的稳恒磁场A.
B.
C.
D.
E.
E
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举一反三
【单选题】Why did the author mention comments by the volunteer drivers in Paragraph 6-8?
A.
To prove that men in the 17-25 age bracket were the most dangerous and accident-prone group.
B.
To support the claim that music with a strong beat leads to aggressive driving.
C.
To indicate the pace of the driving is governed by the pace and beat of the music.
D.
To give an example that soothing music makes drivers relaxed and sleepy.
【单选题】Why did the author begin to doubt himself after the first year of his writing career?
A.
He wasn't able to produce a single book.
B.
He hadn' t seen a change for the better.
C.
He wasn' t able to have a rest for a whole year.
D.
He found his dream would never come true.
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