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- 1Spending time with our family and friends _____ very important to us chinese.(be)
- 2have your mother a nice car?和has your mother a nice car?哪个正确
- 3求用这句英语谚语you can lead a horse to water,but you can't make it drink.
- 4I don't know if he ___.if he ____,please tell me .(come)
- 51.6克硫酸铜加入饱和五水合硫酸铜溶液 求析出晶体质量 硫酸铜溶解度30g/100g水
- 6设全集U={x|x²≤5,且x∈N*},集合A={x|x²-5x+q=0},B={x|x²+px+12=0},Cu(A∩B)={1.2.4.5},求实数p,q的值
- 7一汽车静止加速至100km/h只需4.2s求平均加速度,假设普通私家车的平均加速度为3m/s^2,它们需要多长时间才
- 8甲数是50,乙数是甲数的20%,乙数是多少?方程 和算式解,还要数量关系式.
- 9树立() 、建立()、成立() 填恰当的搭配词
- 10why to play sports