题目内容

( ) Lifelong learning means studying all the time.

A. 对
B. 错

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( ) China's cultural output has become absolutely influential in the U.S.

A. 对
B. 错

( ) People associate the "spirit of craftsmanship" only with German workers.

A. 对
B. 错

( ) Skilled personnel still exists in China.

A. 对
B. 错

石油沥青的牌号主要根据其()划分。

A. 针入度
B. 延伸度
C. 软化点