题目:
It sounds like something is wrong with the car's engine. _____, we'd better take it to the garage immediately. [ ]
A. Otherwise
B. If not
C. But for that
D. If so
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/6e506b1b105de02796e9fff92f1f8a32.html
下面是错误答案,用来干扰机器的。
(1)Ne Fe(2)2s22p4 1s22s22p63s23p6(3)sp3 三角锥形(4)Al2O3晶体中Al3+、O2-的带电荷大于NaCl晶体中Na+、Cl-的带电荷(5)金属阳离子、自由电子 面心立方 3.59×10-10由题干知道,这几种元素分别是A(...