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【简答题】
画出“电梯不工作,KM1线圈不得电 ” 的故障范围,并写出故障检测过程。
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皮皮学刷刷变学霸
举一反三
【简答题】设半径r=2.5,编程计算相应圆的周长、圆的面积和圆球的体积。要求:用函数scanf输入数据,计算结果取小数点后2位。
【单选题】I’d like to buy a present for my father’s birthday, ________at a proper price but of great use.
A.
one
B.
it
C.
that
D.
this
【单选题】—Can I help you? —I’d like to buy a present for my father’s birthday, at a proper price,but of good use.
A.
that
B.
one
C.
it
D.
which
【单选题】-Can I help you? -I’d like to buy a present for my father’s birthday, at a proper price but of great use.
A.
it
B.
everything
C.
that
D.
one
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