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- 1复数z1=3+i,z2=1-i,则复数z1/z2的虚部是(?)
- 2书写,阅读时,眼和书本的距离应是多少?
- 3too…not to.造个句,but/only too… to.too ready/eager/apt/inclined to.
- 4How much are these exercise books?(变成单数句)
- 5体积是5*10负3立方米的铁球,质量为25克,请判断是空心还是实心?(P铁=7.8*10的三次方每立方米)
- 6I can see some cups,but I can't see any glasses. 都用any了,为什么 glass要用复数
- 7The first secretary of the company shall be PAMM Corporate Secretary Limited.
- 8谁知道写景的作文怎么写呀
- 9Sorry.I ___ think I ___ help you.
- 10若2x3-2k+2k=41是关于x的一元一次方程,则x= _ .