预防甲状腺肿的碘化食盐,常用剂量为每10~20kg食盐中均匀地加入碘化钾或碘化钠() 发布时间:2019-03-06 20:36 │ 来源:www.tikuol.com 题型:单项选择题 问题: 预防甲状腺肿的碘化食盐,常用剂量为每10~20kg食盐中均匀地加入碘化钾或碘化钠()A.1.0gB.2.0gC.3.0gD.4.0gE.5.0g
题型:单项选择题 Now people have come to realize ________ harmful pollution is.A.that whatB.itC.that howD.how 查看答案
题型:单项选择题 —Can you let me know _____ yesterday? —Because the traffic was bad. [ ]A. why did you come late B. why you came late C. why do you come late D. why you come late 查看答案