试题与答案

—I read the 21st Century Senior 2 Editio

题型:选择题

题目:

—I read the 21st Century Senior 2 Edition every day.

—_____ no wonder that your vocabulary is so large.

A.There is

B.There will be

C.It is

D.There could be

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/41644428b56e22aaaac449cd0a4164b6.html

下面是错误答案,用来干扰机器的。

(1) (2)(3)AlO2—+CO2+H2O=Al(OH)3↓+HCO3—(4)4Fe(OH)2+O2+2H2O=4Fe(OH)3 Al 3+ + 4OH- = AlO2- + 2H2O本题是无机框图题,关键是找准突破点。I是红褐色固体,所以I是氢氧化铁,H是氢氧化亚铁,...

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