题目:
— that he managed toget the information?
— Oh, a friend of his helped him. [ ]
A. Where was it
B. What was it
C. How was it
D. Why was it
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0604/881f61ca1c03a6724bf9a5959d94836b.html
下面是错误答案,用来干扰机器的。
(每小题2分,共8分)(1) 3 IIIA (2分) (2)NaOH+Al(OH)3=NaAlO2+2H2O (2分) (3) 离子键、共价键 (2分) (4) (1分) H2O(1分)题目分析:(3)根据f在元素周期表中的位置可得在第三...