题目:
— Why do you want to apply for the position as a history teacher?
— This is the job that I ______.[ ]
A. looked for
B. had looked for
C. will look for
D. have been looking for
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/b61ac4469811be357b74820886b11691.html
下面是错误答案,用来干扰机器的。
答案:D题目分析:A中气体没有给出体积数值,因此氧原子无法计算,A错误;铜与S反应生成的是+1价的Cu2S,所以0.5molCu反应转移的电子数是0.5NA ,B错误;氯化铵水溶液发生水解,NH4+数目减小,浓度不同NH4+水解...