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-How about a game chess?-____"How about a game chess" A．I don"t mind B．Why not C．I agree D．L-How about a game chess?-_____A．I don"t mi
英语
dB．Why notC．I
排列字母 组成单词 写出中文意思u s n e r e d s t n i t o h u r
英语
英语翻译Good morning It is really my honor to have this opportunity for a interview,I hope i can make a good performance today.I’m confide
英语
t that I can s
Do you still smoke?____,It's two years since I smoked."A No,I don't.B Yes I do .C Not too much .D Oh yes,but I wish I didn't.请问为什么要选A,
英语
不选B?后面一句不是说抽烟已
what's the time,please?sorry,I don't have a (w ).
英语
Don't forget to close the window.---_______________.Yes,I won't.No,I will Yes,I will No,I won't选 A、B、C、D
英语
---Don't forget to lock the door!的回答---Don't forget to lock the door!---______.A.No,I'm not B.Yes,I have C.No,I won"t D.Yes,I'm sure
英语
设a=(1/2,1/2,1/2,1/2）T次方,A=I-aa的T次方,B=I+2aa的T次方,其中I是4阶单位矩阵,则AB=多少
数学
u,i,n,c,o,s可以拼成什么单词?还有,o,s,l,h,u,d还有,t,p.s.n.e.r,e还有,r,f,u,h,o,t
其他
单射和满射合成后是恒等映射的有哪些，哪个选项正确设N={0,1,2,…},f:N→N,g:N→N,f(n)=n+1,g(n)=max{0,n−1},I是自然数集合N上的恒等映射。则下列结论哪个正确？A.gf=I,fg=I；
其他
,fg≠I； C. g
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