中国的航空母舰有哪些

The atmosphere ______ certain gases mixed together in definite proportions.A.composes of\x05\x05B.is made up\x05\x05\x05C.consists of\x05\x05\x05D.makes up of 为什么是C啊,其他几项呢不也是组成的意思吗? certain什么意思? Factories should give up producing unhealthy gases.同意句 改为同义句:Factories should give up producing unhealthy gases.Factories should give up producing unhealthy gases.Trees are the biggest and oldest living things on Earth. （ ）4.We must _____the factories from producing harmful gases.A.protect B.provide C.stop D.destro This snake is long啥意思 春节的来历简写 春节拜年的由来（简写） 27．As is natural,a snake like this be very dangerous．A．must B．may C．should D．can答案为何为D而不是B The most wonderful thing is not rainy day but the eaves we stayed together. -Dad,there is a snake at the gate crawling this way.-Don't__,boy；there is no danger.A.afraid B.excite C.dislike D.panic（名词)为什么不选A呢? The most wonderful thing is not rainy day but the eaves we stayed together中文什么意思? potential是什么意思? potential的意思 zeta potential是什么意思? 1.John likes d____and playimg the guitar 2.Can you s_____us how to play the guitar3.what is your e-mail a_____?4.can john play the _________wellA.piano B.baskeball C.chess D.football5.lucy can not ride .she thinks it is______A.hard too B.too hard C.t potential restoration potential的中文意思 漓江的水真清啊!扩句 usg 半导体工艺中是什么意思 半导体工艺工程师前景如何? 半导体八大工艺哪个好 What Have I Done To Deserve Th 歌词 What Have I Done To Deserve This 歌词 waste怎么读 waste是什么意思?怎么读? 求翻译gases from crop waste would be uesd to heat the building 中秋的来历的简写怎样写 怎样认识和看待马克思主义 如何看待马克思主义对中国人民的指导意义 对马克思的认识 ok.l deserve it这句是什么意思翻译