题目内容

锻炼背肌的方法包括：

A. 引体向上
B. 高位下拉
C. 哑铃耸肩
D. 山羊挺身

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导体长期发热的特点：

A. 发热由正常工作电流引起
B. 发热热量少，温升不高
C. 发热连续且长期
D. 发热和放热相等

电力拖动是指用电能作为动力来使某机器运动的一种拖动方式

A. 对
B. 错

填空题：Fill in the blanks with the words given in their proper forms.expressrealizeperfectmemoryscenesilencefamiliaroccuremergencyurgentscoldalbumWe figure that when you see us all, and ________the way we feel, maybe you'll change your minds.

These frightful experiences are branded on his _________.expressrealizeperfectmemoryscenesilencefamiliaroccuremergencyurgentscoldalbum