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【判断题】
常用的主令电器有控制按钮、行程开关、接近开关和光电开关等。
A.
正确
B.
错误
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举一反三
【单选题】下列梅毒螺旋体检查方法中哪些是正确的
A.
暗视野法
B.
培养
C.
涂片做PAS染色
D.
苛性钾法
E.
荧光染色
【单选题】下列梅毒螺旋体检查方法中哪些是正确的
A.
暗视野法
B.
培养
C.
PCR法
D.
荧光染色
【单选题】下列梅毒螺旋体检查方法中哪些是正确的
A.
暗视野法
B.
培养
C.
涂片做PAS染色
D.
荧光染色
【单选题】Let us not waste____________ time we have left. A. the little B. little C. a little D. a little more
A.
the little
B.
little
C.
a little
D.
a little more
【单选题】Lizzie was______ to see her friend off at the airport.
A.
a little more than sad  
B.
more than a little sad
C.
sad more than a little  
D.
a little more than sad
【单选题】Lizzie was _____ to see her friend offat the airport. [     ]
A.
a little more than sad
B.
more than a little sad
C.
sad more than a little
D.
a little more sad than
【单选题】下列( )可以实现向数据表中插入一条记录。
A.
CRETE
B.
SVE
C.
INSERT
D.
UPDTE
【单选题】_______, and problem will be settled.
A.
A bit more effort
B.
making a little more effort
C.
If you make a bit more effort
D.
there being a little more effort
【单选题】Lizzie was______ to see her friend off at the airport.
A.
a little more sad than
B.
more than a little sad
C.
sad more than a little
D.
a little more than sad
【单选题】下列梅毒螺旋体检查方法中哪些是正确的
A.
暗视野法
B.
培养
C.
涂片做PAS染色
D.
苛性钾法
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