帮我解决两道题目,很简单的,很急啊,大家帮帮忙要除去气体中的杂质,写出合适的吸收剂（括号中为杂质）1）氧气或氢气（氯气）2）乙烯（二氧化硫）3）氨气（水）4）二氧化碳（氯化氢或
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帮我解决两道题目,很简单的,很急啊,大家帮帮忙要除去气体中的杂质,写出合适的吸收剂（括号中为杂质）1）氧气或氢气（氯气）2）乙烯（二氧化硫）3）氨气（水）4）二氧化碳（氯化氢或
帮我解决两道题目,很简单的,很急啊,大家帮帮忙
要除去气体中的杂质,写出合适的吸收剂（括号中为杂质）
1）氧气或氢气（氯气）
2）乙烯（二氧化硫）
3）氨气（水）
4）二氧化碳（氯化氢或二氧化硫）
5）氢气（硫化氢）
6）二氧化碳（一氧化碳或氢气）
阅读下面的故事,找出三对同音词
To everyone, a day at the beach means a day of fun. The children and adults swim, play games and eat.
"I'm getting hungry," said Joan.
"We'll eat soon," said Mr Hall,"who would like to go with me to get some wood?"
"I'll go with you, Mr Hall." said Luis,"we'll have to be careful as we are getting it. The last time I walked through that spot, a bee stungme!"
"What did you do, Luis?" asked Joan.
"I threw down my sack with my lunch in it and ran,"said Luis.
大家帮帮忙,这非常急,好的话,我还会加分的
帮我解决两道题目,很简单的,很急啊,大家帮帮忙要除去气体中的杂质,写出合适的吸收剂（括号中为杂质）1）氧气或氢气（氯气）2）乙烯（二氧化硫）3）氨气（水）4）二氧化碳（氯化氢或
1.澄清石灰水/碱液
2.澄清石灰水/碱液
3.碱石灰
4.NaHCO3溶液
5.浓硫酸（与H2S发生氧化还原反应）或澄清石灰水/碱液
6.点燃,氢气的话再通过浓硫酸
1.would 和wood
2.eat和it
3.through和threw
yes
would和wood....eat和it....through和throw ....
不晓得对不对哦....!偶是初学者