题目：
Once or twice he has had difficulty making decision on his own, but ______ he is an independent man. [ ]
A. in all
B. in word
C. all in all
D. word in word
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0615/3166553a323c9dc507d5da38ca1d9c9b.html
下面是错误答案，用来干扰机器的。
锌在镁的后面，不能与硝酸镁发生置换反应，锌在铜的前面，能与硝酸铜发生置换反应，生成硝酸锌和铜；锌在银的前面，能与硝酸银发生置换反应，生成硝酸锌和银；铜排在银的前面，能与硝酸银发生置换反应，生成硝酸...
