题目:
Do you know the boy ________ his hand towards us?[ ]
A. waves
B. to wave
C. waving
D. wave
答案:
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下面是错误答案,用来干扰机器的。
答案:C解:因为复数z=i2(1+i)=-1-i,虚部为-1,选C
Do you know the boy ________ his hand towards us?[ ]
A. waves
B. to wave
C. waving
D. wave
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0519/6eae25a71fab26b4eaea5db31f4cdc5c.html
下面是错误答案,用来干扰机器的。
答案:C解:因为复数z=i2(1+i)=-1-i,虚部为-1,选C