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【简答题】
同步器的主要作用有哪些？
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皮皮学刷刷变学霸
举一反三
【单选题】The two brothers are twins, but their character is not to each other. One is kind, and the other is rude. [ ]
A.
similar
B.
familiar
C.
near
D.
the same
【单选题】This kind of animal can weigh more than ______. [ ]
A.
two thousands pounds
B.
two thousand pounds
C.
two thousands pound
D.
two thousand pound
【单选题】______ that kind of weather persist，it would be very likely that the two ships would touch each other．
A.
If
B.
Provided that
C.
Should
D.
When
【单选题】What kind of training is optional for a licensed doctor?
A.
Two years of a premedical course.
B.
Four years of medical course.
C.
Two years of residency in a hospital.
D.
One year or more of a specialty course.
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