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- 1用所给单词的正确形式填空,一线可填写多个单词.1.We have ___(be)to the zoo many ___(time).
- 2Is this a ruler.---Yes,this is.(改错)
- 3八分之三:():56=()分之一=()%
- 4已知函数f(x)=2sin(ωx+φ)(ω>0)的图象关于直线x=π3对称,且f(π12)=0,则ω的最小值为( ) A.2 B.4 C.6 D.8
- 5设函数f(x)满足af(2x-3)+bf(3-2x)=2x,且a^2≠b^2,则f(x)=?
- 6试说明:不论x取何值代数式(x3+5x2+4x-3)-(-x2+2x3-3x-1)+(4-7x-6x2+x3)的值是不会改变的.
- 7Clerk:Can I help you?Mary:Yes,please.I want socks.Clerk:What color do you want?Mary:Green.
- 8甲乙环湖行走,环湖一周是400m,乙的平均速度每分钟80m,甲的速度是乙的1.25倍,现在甲在乙的前面100m,若
- 9What do you think of the dictionary?同义句What do you ()()the dictionary?
- 10一、1.I think science is _ than Japanese.A.much important B.important C.much more important D.