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【单选题】
放置克令吊吊臂前，应先将吊臂转到支架上方，再把旋转手柄放在（）
A.
旋转位置；
B.
“零位”空挡位置；
C.
刹车位置；
D.
松开位置。
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【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described
相关题目：
【单选题】After the birth of my second child，I got a job at a restaurant.Having worked with an experienced 16for a few days，I was 17to wait tables on my own.All went 18that first week.When Saturday night came，I...
A.
repeated
B.
discovered
C.
corrected
D.
described
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