建筑电梯通电空载试运行合格后，还应检测（）动作是否准确。
A.曳引电机
B.层门开启
C.停层感应
D.安全装置
参考答案：D
按括号内要求完成改写后的句子，每空一词
小题1:We had a great party last weekend.(变为较难疑问句)
_____________ you _____________ a great party last weekend?
小题2:Mr. and Mrs. Smith are taking a walk at this moment.(变为否定句)
Mr. and Mrs. Smith ______________ _____________ a walk at this moment.
小题3:Mary goes to an art lesson on Sunday afternoon (就划线部分提问)
_____________ ______________ Mary go to an art lesson?
小题4:Please turn off the lights when you leave the room.(改写句子，句意不变)
Don’t _____________ the lights ____________ when you leave the room.
小题5:Premier Wne Jiabao says achieving GDP growth at average of 7% for the 12th Five-Year Plan will not be easy.（改写句子，句意不变）
Premier Wne Jiabao says it will not be easy ____________ ____________ GDP growth at average of 7% for the 12th Five-Year Plan
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