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【单选题】
粗纱机喂入的是什么?(what does roving frame feed in?)
A.
小卷(small lap)
B.
熟条(drawn sliver)
C.
棉卷(cotton lap)
D.
粗纱
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参考答案:
举一反三
【单选题】It ____ Mr. Li and his son who helped me repair the car.
A.
is
B.
was
C.
are
D.
were
【单选题】直流电机的主磁极是产生( )的部件。
A.
磁场
B.
以上都对
C.
电压
D.
电流
【简答题】急救创伤患者时如何解除窒息和呼吸功能障碍?
【单选题】Now most Chinese families in the country have their own houses ________ [     ]
A.
to live
B.
living
C.
living in
D.
to live in
【单选题】Mr Li always ______ weekends playing ping pang with his son. [     ]
A.
spends
B.
  costs
C.
  takes
【简答题】Mr Li a_____ his son to play computer s once a week.
【单选题】直流电机的主磁极是产生( )的部件。
A.
以上都对
B.
磁场
C.
电流
D.
电压
【单选题】听力原文:(A) There are many houses at the bottom of the hill. (B) Trees have lost most of their leaves. (C) Smoke is rising from the chimney. (D) Many pipes are being installed.
A.
B.
C.
【单选题】直流电机的主磁极是产生()的部件。
A.
电流
B.
磁场
C.
电 压
D.
以上都对
【单选题】直流电机的主磁极是产生()的部件。
A.
磁场
B.
电流
C.
电压
D.
以上都对
参考解析:
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