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【判断题】
检查气动系统压力是否正常是数控车床每天需要检查保养的内容。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】He used to live here, but now he lives here.
A.
no longer
B.
doesn't longer
C.
not
D.
any longer
【单选题】—Jimmy isn't here. Where is he? —He hurt his arm on the playground just now. He ______ to the school doctor's. [ ]
A.
has gone
B.
has been
C.
goes
【单选题】He moved here ten years ago. Now he _____ here. [ ]
A.
used to live
B.
used to living
C.
is used to living
D.
is used to live
【单选题】—Where is your teacher, Kangkang? —He was here just now, but … maybe he _______his office. [ ]
A.
has gone
B.
has gone to
C.
has been
D.
has been to
【单选题】. He ____ in the north, but now he ____ here.
A.
used to live; is used to the life
B.
use to live; is used to live
C.
used to living; is used to living
D.
used to live; is used to live
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