题目

—Jim has his wife do all the housework!Isn’t he wise? —Not really.He is______. A.more wise than lazy                        B.wiser than lazy C.more lazy than wise                         D.lazier than wise 答案：C 解析: 考查比较级中more...than 的用法，意思是“与其……倒不如”。在下列各溶液中通入足量CO2气体，最终有浑浊产生的（  ）①饱和Na2CO3溶液；②澄清石灰水；③Ca(ClO)2溶液；④CaCl2溶液；⑤Na2SiO3溶液；⑥NaAlO2溶液A．全部B．除①④外C．除①②③④外 D．除②③④外