发现有人触电应首先切打断电源。
参考答案:对
I got this bicycle for _____; My friend gave it to me when she bought a new one. [ ]
A. everything
B. something
C. anything
D. nothing
通常,损益表分析采用( )。
A.结构分析法B.比较分析法C.比率分析法D.趋势分析法