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【判断题】
推杆应具有足够的刚性,以承受推出力,避免推杆由于承受推出力而弯曲。A.
正确
B.
错误
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【简答题】A．He couldn't hold back the secret. B．He couldn't help the woman at all. C．He couldn't possibly tell the boss. D．He couldn't decide who told the boss.
【单选题】Steve Ells has never ______ advice he couldn't ignore, conventional wisdom he couldn't disregard, a rule he couldn't break.
A.
come across
B.
come up to
C.
come up against
D.
come around
【简答题】听材料，回答问题。 1. What was Bob's trouble? A. He couldn't get up. B. He couldn't sleep well. C. He couldn't go to work. 2. Did Bob sleep on Sunday night? A. Yes, he did. B. No, he didn't. C. Sorry, we don't...
【简答题】A．He drove too last. B．He couldn't park well. C．He made an improper turn. D．He couldn't start the car.
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