(完整版)人教版高二英语选修八Unit2Cloning知识点讲解.doc

人教版高二英语选修八Unit2Cloning知识点讲解/NUMPAGES6Unit2Workingtheland(耕作土地，在田间耕作)单词考点SectionAWarming-up,Reading&Comprehendingstruggle的用法⑴作vi.时，“斗争；拼搏；努力”搭配：for...为……而斗争struggleagainst...与……作斗争with...与……并肩作战todosth....努力做某事eg:Millionsofpeoplearestrugglingforsurvival.⑵作n.时，[C]“斗争；奋斗；努力”搭配：withsb.forsth.与某人一起支持某事的斗争astrugglewithsb.againststh.与某人一起反对某事的斗争withsb.todosth.与某人一起努力做某事betweenAandBA与B之间的斗争eg:Itisastrugglebetweengoodandevil.hunger的用法⑴作n时，[U]“饥饿”[C]“渴望，欲望”搭配：withhunger因为/由于饥饿dieofhunger死于饥饿havea(strong)hungerforsth.(强烈)渴望某物eg:Shehasastronghungerforknowledge.⑵作vi时，“渴求；渴望得到”搭配：hungerfor/after...渴望得到hungertodosth.渴望做某事eg:Weallhungerforothers’understanding.disturbing引起烦恼的；令人不安的—disturbed(感到)心烦意乱的；烦恼的—disturb使不安eg:Whathesaidwasdisturbing.expandv“使变大；伸展”的用法搭配：expand...into...把……扩展/发展成……expandinto...扩展/膨胀成……expand(up)on阐述，详谈eg:①Tomisexpandinghisstoryintoanovel.②Expandthissentenceintoaparagraph.区别：expand,extend,enlarge,stretch⑴expand指范围、体积的扩大，尤指向四面八方扩大、扩张。⑵extend指长度、宽度的延伸及时间的延长。强调向某一方向延长。⑶enlarge指面积、体积的扩大。⑷stretch指手掌、手臂、腰、腿、颈由曲变直，由短变长，即伸展或伸出，多与out连用；还有“拉紧，拉直”之意。rid“摆脱”的用法短语：ridsb./sth.ofsb./sth.使某人/某物摆脱某人/某物getridofsb./sth.摆脱某人/某物；除去某人/某物wouldrather“宁愿，宁可”搭配：dosth.wouldratherthat从句(一般虚拟语气)wouldratherdo...thando...=woulddo...ratherthando...“宁愿做某事而不愿做某事”(注：ratherthan可位于句首，表示强调。)eg:①I'dratheryouwenthomenow.②Iwouldratheryoucametomorrow.③I'dratheryouhadstayedathomelastnight.thereforeadv“因此；所以；因而”的用法eg:Hewascaughtcheatingintheexamandtherefore,hewaspunishedbytheschool.区别：therefore,so⑴therefore常用逗号隔开；表示推理，重点放在therefore所在的句子上，因此结论通常没有必然性。⑵so非正式用词，用于简洁的会话和平时的对话中，推论不必严