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【判断题】
乘务员打扫机上卫生间时要先敲门确认卫生间是否有人A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】After a long hard training, the athlete decided that he was going to _______the existing world record set by someone else.
A.
challenge
B.
spoil
C.
distinguish
D.
achieve
【单选题】After months of hard training, Jim is now well on the way to ____ his pilot's license.
A.
maintaining
B.
maintain
C.
attaining
D.
attain
【简答题】Their bodies were hard and m________ after much training.
【单选题】After hard training for a long time, Liu Xiang ______ the records again. [ ]
A.
broke
B.
achieved
C.
invented
D.
completed
【单选题】After hard training for a long time, Lucy the records again.
A.
broke
B.
achieved
C.
invented
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