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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】台扇的电机转子铝条断裂，会引起（）的故障。
A.
通电扇子叶不转，电机有嗡嗡声
B.
通电扇子叶不转，电机无嗡嗡声
C.
运转无力
D.
金属外壳带电
E.
不能调速
F.
不能摇头、噪声过大
【单选题】Task 1 Directions: After reading the following passage, you will find 5 questions or unfinished statements, numbered 36 through 40. For each question or statement there are 4 choices marked A, B, C, a...
A.
in his mind
B.
in his laboratory
C.
with microscope
D.
with telescopes