1.工厂和汽车发生的一氧化碳一类气体严重污染了大气。2.那位工业管理工程师的来信表明，他对该项计划是否可行有怀疑。3.美国许多父母在孩子出生前就为他们的教育留出一笔专款。4.我已了解清楚，她的结论是以事实为根据的。5.几天前，由三位医生和护士组成的医疗队出发到山区了。6.这个村庄是以矗立在它前面的那座高山命名的。7.他病了一个月左右，这使他在学习上耽误了很多。（which)8.南方和北方之间于一八六一年爆发的那场战争在历史上称为“美国内战”。谢谢大家帮忙!
热心网友
1。Such gases as carbon monoxide emitted from the factories and cars have seriously polluted the environment。2。 The industrial management engineer sent a letter expressing his doubts about the feasibility of this plan。3。 Many American parents have set aside a special fund for their children's future education well before they are born。4。 I've fully understood that his conclusion is based on the facts。5。 Several days ago, a medical team of three doctors and nurses set out to the mountainous area。6。 The village is named after the mountain towering in front of it 。7。He has been ill for about one month, which made him miss a lot of classes。8。 The war between the South and the North in 1861 is hostorically called " American Civil War"。 。
热心网友
好！我有免费英文资料下载，可以去看看，单击我的名字（雪花啤酒）就可以看到。谢谢！