题目

用下列实验装置完成对应的实验(部分仪器已省略)，能达到实验目的的是 A.①干燥Cl2        B.②吸收HCl       C.③石油的蒸馏      D.④吸收NH3 答案：D_______ homework did we have to do that we had no time to take a rest.A．So much B．Too much C．Too little D．So little