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【单选题】
气压传动中方向控制阀是用来( )A.
调节压力
B.
截止或导通气流
C.
调节执行元件的气流量
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【简答题】One day Jerry borrowed a pot from his neighbor Tom. The next day he brought it back with another little pot inside. "That's not mine," said Tom. "Yes, it is," said Jerry. "While your pot was staying w...
【单选题】I don't know why Wang Xiaoming _____ us recently. [ ]
A.
hasn't wrote
B.
hasn't written
C.
doesn't write
D.
isn't writing
【单选题】Tom ________ a letter from Terry for a long time.
A.
didn’t receive
B.
hasn’t got
C.
didn’t have
D.
hasn’t heard
【单选题】Even enemies were sometimes _____ to admit the truth.
A.
compelled
B.
intense
C.
prominent
D.
1 foster
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