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合成名词常见的构词方法如下：1)n.+n.penfriend,classroom,newspaper,water-bottle2)adj.+n.greenhouse,blackboard,highway,long-jump3)v-ing+nwaiting-room,swimmingpool,washingmachine,diningroom,writingdesk,sleepingpills4)v.+n.pick-pocket(扒手),speakbox(对讲机)5)n.+v-inghand-writing,sun-bathing6)v.+adv.warm-up,make-up(捏造),break-in(闯入,非法进入),get-together(联欢会)7)adv.+n.overcoat(外套),by-stander,outbreak8)其他go-between,touch-me-not(风仙花),forget-me-not,good-for-nothing(无用的人,废物)合成名词常见的构词方法如下：1)n.+n.penfriend,classroom,newspaper,water-bottle2)adj.+n.greenhouse,blackboard,highway,long-jump3)v-ing+n.waiting-room,swimmingpool,washingmachine,diningroom,writingdesk,sleepingpills4)v.+n.pick-pocket,speakbox5)n.+v-inghand-writing,sun-bathing6)v.+adv.warm-up,make-up(捏造),break-in(闯入,非法进入),get-together(联欢会)7)adv.+n.overcoat(外套),by-stander,outbreak8)其他go-between,touch-me-not(风仙花),forget-me-not,good-for-nothing(无用的人,废物)复合形容词的常见构成方法如下:1)adj.+n.+edcold-blooded(冷漠,无情的),warm-hearted,short-sighted,old-fashioned(老式的,过时的)2)adj.+v-inggood-looking,easy-going,long-lasting(耐用的)3)adv+v-inghard-working,well-meaning(善意的,好心的),far-reaching(深远的,广大的)4)n.+v-ingEnglish-speaking,peace-loving,heart-breaking6)adv.+v-edwell-known,wide-spread7)adj.+v-edwarm-hearted,ready-made(现成的,做好的)8)n.+adj.self-satisfied(自满的),duty-free(免税的)注:在合成词中，有的连写，有的分开写，有的用连字符，一般没有明确的规定，而只有习惯的写法。5)n.+v-edman-made,state-owned(州立的),heart-felt(衷心的),heartbroken(悲伤的)Decidewhattypesthesewordsare.TypeExampleMorewordsType1keyboardType2CD-ROMType3Mobilephonehardware,softwarehigh-speedcomputersystemsearchengineMakingcompoundwords.POSSIBLEANSWER:hardhardware,hardboard,harddiskkeykeyboard,keywordwebwebsitenetnetworknotenotebook,notepadsoftsoftware