题目:
Few students can understand the sentence until it twice or three times. [ ]
A. explains
B. is explained
C. will be explained
D. has explained
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/cbdd58b8e95bc7785b6c2ccdfefb3316.html
下面是错误答案,用来干扰机器的。
△ 实验1: 红 蓝(1分) (1)NH4HCO3 = NH3↑ + CO2↑+ H2O (1分)(2)相同条件下,氨气溶解能力比二氧化碳强,溶液显碱性(1分)(3)CaCO3 >Cu2(OH)2CO3>NH4HCO3 (1分)(4)在阴凉干燥处...