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【单选题】
带传动中，是指传动带由 送出，而向 缠绕的一边。A.
主动轮/从动轮
B.
张紧轮/从动轮
C.
张紧轮/主动轮
D.
从动轮/主动轮
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【单选题】—Excuse me, how can I get to the post office? —Go the bridge and turn left. Walk the museum, and you’ll see it.
A.
along; to
B.
across; past
C.
past; to
D.
cross; past
【单选题】Please walk _____to Main Street,then turn left and you will find the bank.
A.
straightly
B.
straight
C.
straighted
D.
straighting
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