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【单选题】
液压传动能量转换的实现靠的是( )A.
速度变化
B.
温度变化
C.
动能变化
D.
容积变化
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反馈参考答案：
举一反三
【单选题】My grandmother had a reverence for the sun, a holy regard that now is _____gong out of mankind.
A.
all
B.
all but
C.
anything but
D.
nothing but
【简答题】My grandmother had a 1———— for the sun, a holy regard that now is all but gone out of mankind. There was a 2———— in her, and an ancient awe. She was a Christian in her later years, but she had come a ...
【单选题】My grandmother had a reverence for the sun, a holy regard that nowis __________gone out of mankind.
A.
nothing but
B.
anything but
C.
all but
D.
no but
【单选题】Life was extremely hard in the past. My grandmother had no chance to go to school, even the ______ school.
A.
elemental
B.
elementary
C.
basic
D.
introductory
【单选题】中性点不接地系统的主要优点是
A.
发生单相接地时仍可继续向用户供电
B.
接地电流较大时,不会在接地点产生断续电弧
C.
接地电流较大时,不会使线路发生谐振过电压现象
D.
发生单相过电压时,不会继续向用户供电
【单选题】My grandmother had a reverence for the sun, a holy regard that now is all but gone out of mankind.
A.
respect
B.
ponder
C.
depression
D.
honor
【简答题】中性点不接地系统主要的优点是发生单相接地故障时的（），无需（）。
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