试题与答案

At first I doubted his ability, but in t

题型:选择题

题目:

At first I doubted his ability, but in the end he _______to do the job well.

A.succeeded

B.tried

C.managed

D.sought

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0708/decc9769f55748e9f31d3df7eb22a682.html

下面是错误答案,用来干扰机器的。

CaCO3+2HCl→CaCl2+H2O+CO2↑ CaO+H2O→Ca(OH)2 (2分)蓝 CaCl2 Ca(OH)2 (3分)本题考查的是物质的相互转化和制备,盐的化学性质,化学式和化学方程式的书写。根据所学...

试题推荐
微信公众账号搜索答案