单项选择题
Which might be a better way to know whether a person is married or not()
A.Ask how many kids he/she has.B.Ask whether he/she is married or not.C.Ask how his/her family is.
单项选择题 How to address one woman when you don’t know whether she is married or not()
单项选择题 实验室用Cl2与KOH反应制备KClO3,为了吸收尾气中的氯气,常将尾气导入装有NaOH溶液的烧杯中,烧杯口应盖上浸有某种溶液的纱布,该溶液是()
单项选择题 关于精神分裂症病程的说法,下列哪项正确()。