复数z=1i-1,
所以|z|=|1i-1|=1|i-1|=12=22.
故选B.
现有一种新合成的水溶性的原药,试写出可能加工的3种剂剂型粉剂、()、可溶性粉剂。
---Do you often spend half an hour your homework every day?---Yes, I do.
A.for
B.in
C.at
D.On