猜你喜欢
- 1热传导性低的介质
- 2溶液中有水存在时水一定是溶剂吗
- 3The woman often does some shopping.改为一般疑问句,怎么改?今天要,
- 4询问一道英文选择题
- 5某温度下,100g硝酸钾的饱和溶液含有硝酸钾20g
- 6x^2y^2-4xy^2+4y^2
- 7Do I have to take this medicine? It_________ so terrible A. tastesB. is tastingC. is tastedDhas tas
- 8Your are always online in my heart
- 9一项工程,甲单独做要20天完成,乙单独做要30天完成,现在甲先做5天,然后甲、乙合做,还要几天完成?
- 10一种农药用药液和水按照1:1200配制而成.要配制这种农药480.4kg,需要药液与水各