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- 1what do you think life will be like in 100 year?
- 2Li Ping joined ____ League in 2002.He has been ____ League member for years.
- 3硫酸铜溶液与硝酸钡溶液反应的方程式
- 4一个5000毫安时的电源,输入5V-1A,输出5V-1A.现在请问:若在一个5V,500mA的用电器上,按转化率100%计算 该电源能使用多长时间?(麻烦给出步骤 )
- 5in the future,people will reduce how much they travel by plane,won't they?
- 6人们常用“黄河之水天上来,奔流到海不复回”来赞美黄河的雄伟气势.%2
- 7子弹从枪口水平飞出的水平速度为500m/s,枪口离地面的高度为1.25m,子弹飞行的水平距离是多少米?g=10m/s^
- 8I'm sick.I don't want to eat anything.同义句
- 9函数f(x)=根号下1+a^2x的和-a^x[a>0且a不等于1]的反函数是?
- 10一张长方形的纸,长为84厘米,宽为60厘米,把它裁成若干个完全相同的面积尽可