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【单选题】

The author’s attitude toward manual labor is __________________.

A.
positive
B.
negative
C.
humorous
D.
critical
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参考答案：
参考解析：
.
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A.
people tend to have a high opinion of the self-made man
B.
people can always rise to the top through their won efforts
C.
college professors win great respect from common workers
D.
people feel painful to mention their fathers as labors
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