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【单选题】
能用来表示电动机控制电路中电气元件实际安装位置的是 。A.
电气原理图
B.
电气布置图
C.
电气接线图
D.
电气系统图
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举一反三
【单选题】While a current is flowing through a wire, the latter is being heated.
A.
电流流过导线时， 导线就会同时被加热。
B.
电流流过导线时， 导线就发热。
【简答题】Mr. and Mrs. King have lived in our town for nearly twenty years. They have a bookshop by the bus station. They’re 1 to everybody and have a lot of friends. They often 2 the poor students and sell th...
【单选题】. While typing, Helen has a habit of stopping _____ to give her long and flowing hair a smooth.
A.
occasionally
B.
simultaneously
C.
eventually
D.
directly
【单选题】While reading, Helen has a habit of stopping _____ to give her long and flowing hair a smooth.
A.
occasionally
B.
eventually
C.
automatically
D.
absolutely
【简答题】There’re a lot of _____(彩色)flags when the new term begins.
【简答题】While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth. A．now and then B．over and over C．up and down D．here and there
【简答题】While typing, Helen has a habit of stopping ______ to give her long and flowing hair a smooth. A now and then B.over and over C.up and down D.here and there
【简答题】I live in a big city with a lot of homeless(无家可归的) people. Luckily there’re small ways of helping them and you needn’t have a lot of 31 . One way to help is to buy their monthly magazine. By doing thi...
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