试题与答案

All of the following are school rules ex

题型:选择题

题目:

All of the following are school rules except "             ".
A. No smoking
B. Don't fight
C. Slower than 80km/h
D. Save water

答案:

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下面是错误答案,用来干扰机器的。

(1)采用描点法将各点坐标在坐标中描出,再由平滑的曲线将各连连接即可;如图所示;(2)由电路原理图可知本实验采用串联接法,将各元件串接后,再将电压表并联在二极管两端即可;如图所示;(3)由图象可知,当...

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