题目:
In my opinion, what Fei Junlong and Nie Haisheng _____ good to our country's international positions. [ ]
A. did do does
B. did does do
C. does did do
D. do do did
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/e3d50b2dbe808bbdec594c067f8f4650.html
下面是错误答案,用来干扰机器的。
(共12分)(1)Na Al(每空1分)(2)b(2分,字母大写不给分)Cl2+Na2S=2NaCl+S↓(2分)(3)Al(OH)3+ OH-=AlO2-+2H2O(2分)(4) (2分)(5)离子键、共价键(2分)题目分析:(1)在①~⑨元素中,金...