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【单选题】
检查牙齿松动度选用的器械是A.
口镜
B.
镊子
C.
探针
D.
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举一反三
【单选题】Read the following and tell what kind of sentence each is (loose , periodic , or balanced): There were the translators in their booths , and the girl secretaries at the doors , and the reporters gru...
A.
loose
B.
periodic
C.
balanced
【单选题】Read the following and say what kind of sentence each is (loose, periodic, or balanced): In Plato’s opinion man was made for philosophy; in Bacon’s opinion philosophy was made for man.
A.
balanced sentenc
B.
periodic sentence
C.
loose sentence
D.
none
【简答题】曲柄摇杆机构中,摇杆为主动件时,连杆与从动件共线位置称为 位置,此时压力角 a 等于 。
【简答题】在曲柄摇杆机构中,以摇杆为主动件,曲柄为从动件,则曲柄与连杆处于共线位置时称为机构的 位置,此时机构的传动角为 。
【单选题】Read the following and tell what kind of sentence each is (loose , periodic , or balanced): The Wang’s must have gone away for the summer holidays , for we have not seen them for two or three weeks.
A.
loose
B.
periodic
C.
balanced
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