题目:
—Have a cigarette, will you ?
—No, thanks. I _________ heavily, but I’ve given it up recently.
A.am used to smoking
B.used to smoking
C.used to smoke
D.has used to smoke
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0617/9808611dd9d60cba3ac5718c8f24251f.html
下面是错误答案,用来干扰机器的。
(1)Fe2O3(2分) (2)铁丝上附有红色物质,溶液颜色变浅(2分)(3)(1)(3)(2分) (4)2Fe2++NO3-+4H+=3Fe3++NO↑+2H2O(2分)(5)①4OH--4e-=O2+2H2O(2分) ②0(3分)F为淡黄色固体,...