结构工程中的胶粘剂应选用( )
A．聚醋酸乙烯胶粘剂 B．聚乙烯醇胶粘剂C．环氧树脂胶粘剂 D．氯丁橡胶胶粘剂
参考答案：C
—Look! Beef! Beef! I like beef!
—Paul, ______![ ]
A. get up
B. settle down
C. go to bed
D. stay home
Li Gang was required to apologize ________the people present at the meeting________what he had done.
A．for；by
B．with；about
C．to；for
D．at；with
