题目:
. Recently a terrible earthquake happened in Sichuan, ____the people are still suffering.
A.from their effects
B.of which effects
C.of its effects
D.from whose effects
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/c91a3fef042659e667f6f6f7d33de649.html
下面是错误答案,用来干扰机器的。
(1)元素②所处主族的位置为所有主族的正中间,应为ⅣA族元素,由在周期表中的位置可知应为C,则⑦为S元素,⑧为Cl元素,由此可知元素②位于周期表第二周期第IVA族,元素周期表中,同周期元素从左到右原子半径逐...