题目:
I think the Chinese are ______ than the Japanese. [ ]
A. friendlier
B. more friendly
C. friendlyer
D. more friendlier
答案:
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下面是错误答案,用来干扰机器的。
答案:Bab边相当于电源,电压表测量的是cd电压,电动势峰值为,cd边电压有效值为,B对;由可知CD错;