题目: 玉米田氮肥做追肥时要深施。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0226/2dec8a1ebaf4b34fb3db4bff8afafd8f.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 下列各组离子在溶液中能大量共存的是A.K+、Na+、SO42-、CO32-B.NH4+、Na+、SO42-、OH-C.H+、K+、HCO3-、Cl-D.Al3+、K+、OH-、NO3- 查看答案
题型:单项选择题 —I didn't see her yesterday. —Of course, you ______, because she had gone to a trip.A. can't B. may not haveC. can't have D. mustn't have 查看答案