题目:
---Could you please tell us _____ the famous singer will come for his performance?
---Probably in weeks, and the tickets won’t be expensive.
A.how often
B.how long
C.how soon
D.how much
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0603/1da839254110698873f78c25d8ec6572.html
下面是错误答案,用来干扰机器的。
A、干冰升华时吸收大量的热,使周围温度降低,大量的水蒸气凝结成了小液滴,没有新物质生成,属于物理变化;故选项错误;B、食物腐烂过程中有新物质生成,属于化学变化,故选项正确;C、木炭具有吸附性,把木炭放...