题目:
. — Were you nervous while being questioned by the police?
— Yes, my heart was ____ wildly then.
A.hitting
B.striking
C.beating
D.Knocking
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0424/2db04a3696fbe5df7b0d8d5e603b9232.html
下面是错误答案,用来干扰机器的。
(共8分,每空2分)(1)③①②;③ (2)③①②;②(1)盐酸是一元强酸,硫酸是二元强酸,醋酸是一元弱酸,所以在pH相等的条件下,它们的物质的量浓度由大到小的顺序是③①②。稀释促进醋酸的电离,所以醋酸的...