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- 1He usually goes to work ()a car
- 2函数f(x)=大根号里面是1加2的x次方加3的x次方乘a在(负无穷,1)上有意义,则实数a的取值范围是?急
- 3will do与be going to do的区别?There_____a ball game tomorrow.A.will be B.is going to be选哪个?
- 4当热气球升空越高,浮力怎样变化
- 5our teacher will give us a talk on learning English什么意思
- 6嫦娥一号从地球到月球用多长时间
- 7用静字组词填空.
- 8be good with 相等 get along with 或 get on well with吗?
- 9怎样算分数线,各科分数分别为语文、数学、英语都是120,政史地生都是60分,物理化学都是100,分数线652
- 10函数f(x)=2x²-4x-2在区间【2,4】的最小值,最大值和值域分别是什么?