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【单选题】
以下关于变压器分类说法错误的是：( )。A.
按照用途分，主要有电力变压器、调压变压器、互感器和供特殊电源用的变压器（如整流变压器、电炉变压器）
B.
按照绕组数目分，主要有双绕组变压器、三绕组变压器、多绕组变压器和自耦变压器
C.
按照冷却，主要有干式变压器、湿式变压器和油浸式变压器
D.
按照调压，主要有无载调压变压器、有载调压变压器和自动调压变压器
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举一反三
【单选题】My mobile phone has broken. I must _______.
A.
get down to repair it
B.
have it repair
C.
get down to repairing it
D.
have it to be repaired
【简答题】一作定轴转动的物体,其对转轴的转动惯量 ,角速度为8rad/s。现对物体加一转轴方向的恒定的制动力矩,其大小为 ,当物体的角速度减慢到零时,物体共转过的周数N=____ ____。
【单选题】My bike needs _____. I think I need _____ to ask Uncle Wang for help. [ ]
A.
repairing; going
B.
repairing; to go
C.
to repair; going
D.
to repair; to go
【简答题】操作题: 每3-5人/组,择其一做酸奶、泡菜、甜酒、面包等,第7-8周实物展示汇报,记录制作过程及原理(视频或PPT)。
【单选题】Something is wrong with my TV set. I would like to get it _____. [ ]
A.
to repair
B.
repaired
C.
repairing
D.
repair
【单选题】There seems something wrong with my bike.I would like to get it________. [ ]
A.
repair
B.
to repair
C.
repairing
D.
repaired
【单选题】I have to go to work by taxi because my car _____ at the garage. [ ]
A.
will be repaired
B.
is repaired
C.
is being repaired
D.
has been repaired
【单选题】— What's that noise? — Oh, I forgot to tell you. Your bike _____. [ ]
A.
was repaired
B.
will be repaired
C.
is being repaired
D.
has been repaired
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