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- 1can you understand (speak) English ? speak 用什么形式?
- 2威尼斯的小艇给威尼斯人的生活带来了哪些便利和乐趣?
- 3已知(a-2b-4)的平方+(2a+c)的平方+ a-4b+c的绝对值=0,求3a+b-c的值
- 4( ) 3. The pants ____nice, I’ll take______. A. look; them B. looks; it C. look; it D. looks; them
- 5将0℃的水100g,30℃的水200g,100℃的水150g混合在一起,无热损失,求混合后的温度?
- 6____you often _____(water) these flowers?
- 7找规律:(1)2,6,12,20,___,___;
- 8已知函数f(x)满足对于任意实数x,y总有f(xy)-f(x)=f(y)(xy不等于0)
- 9when you are older,your------(understand) of your parents will increase
- 10一摩尔的水加一摩尔的酒精等于什么