人教版高中英语必修七Unit1Learning-about-language课件

Discoveringusefulwordsandexpressions•Toreviewwordsandexpressionsinthepassage•Tounderstandandsummarizethecommonsuffixesofadjectivesandnounsinthederivation•Toenlargevocabulary1.Howdoyoumeasurethelengthofaraceroundaracetrack?e.g.Shehascompletedsixlaps.她跑完六圈了。Answereachquestionbyusingacorrectnewwordinthisunit.lapn.(两物)重叠部分，跑道的一圈，(人坐着时)大腿的上方2.Howwouldyoufeelifsomeonekepttalkingwhenyouweretryingtoread?annoyedadj.颇为生气的3.Inwhatwaycanateachercheckifyouhavelearnedthenewwordsbyheart?dictationn.口授，听写(的文字)e.g.Thepupilswroteattheteacher’sdictation.学生按照老师的口述写下来。4.Whatdoyoucallanitemwritteninadiaryorinadictionary?entryn.项目，进入，入口，词条e.g.Theneweditioncontains5,000entries.这个新版本包含了5000个词条。n.进入，入场；出赛，参加(+into)e.g.Hesupportedthatcountry’sentryintotheEuropeanCommonMarket.他支持那个国家加入欧洲共同体。n.入口；门口；河口；通道(+to/of)e.g.Theentryofthecavewashiddenbytrees.洞穴的入口被树丛遮掩。5.Whatkindofinstrumentdoesadoctorneedtoexaminevirusesinblood?microscopen.显微镜6.Howdoyoudescribesomeonewhoishappytomeetnewpeople?outgoingadj.外向的，友好的，外出的，离开的7.Whatdoyoucallstudentsinthesameyeargroupandthesamesituationasyou?fellowadj.同伴的，同类的n.同伴，同志，伙伴8.Whatdoyoucallthebehaviorofonestudenttoothers?conductn.行为，品行NounAdjectiveambitiousabsentsuitabilitybenefitannoyanceambitionabsencesuitablebeneficialannoyed/annoyingFillinthetablebelow.Youcanusethedictionarytohelpyou.NounAdjectiveclumsinessfirmnessnoisepsychologyencouragingencouragementpsychologicalnoisyfirmclumsy词缀英语词缀在英语语言的整个历史发展过程中起着积极的作用。它不仅扩充了英语词汇，也丰富了语言的表达能力。我们学习英语要掌握大量的单词，关键就在于掌握好英语词缀。词缀分为前缀(prefix)和后缀(suffix)两种。前缀、后缀词义与词性变化的普遍规律分别总结如下:一、前缀一般只改变词义，而不改变词性。如:natural(adj.自然的)—unnatural(adj.不自然的)fasten(v.捆住)—unfasten(v.打开)balance(n.平衡)—unbalance(n.失衡)二、后缀不仅改变词性，也改变词义。如:invent(v.发明)—inventor(n.发明者)safe(adj.安全的)—safety(n.安全性)deep(adj.深的)—depth(n.深度)press(v.按，压)—pressure(n.压力)accurate(adj.准确的，精确的)—accuracy(n.准确，精确度)1.-age为抽象名词后缀，表示行为和状态percentage百分数，百分率shortage不足，缺少2.-cy表示抽象名词accuracy准确，精确度3.–ence,-ance表示性质和动作difference不同；influence影响，感化4.-ency,-ancy抽象名词后缀emergency紧急，急救；fluency流利，流畅5.-er表示……人、……者beginner初学者，创始人；reader读者6.-ian表示人称名词physician医师，内科医师；technician技术员7.-ion由动词构成的名词occasion偶然原因，近因，时机8.-ist表示人称名词biologist生物学家；chemist化学家9.-logy表示学科morphology形态学；histology组织学10.-ment表示动作，行为或具体事物measurement测量，量度；experiment实验11.-ness加在形容词后构成抽象名词coldness寒冷；darkness黑暗12.-or表示……人，……物doctor医生；monitor监视器13.-th由形容词构成名词length长度；width宽度；truth真理14.-ty表示性质specialty特征,专业；responsibility责任,责任心1.-able表示可能的，可以的excitable易兴奋的；acceptable易接受的2.-al表示有……的属性typical典型的3.-ant有些是从动词派生来的significant有意义的；important重要的4.-ent与-ant同类consistent坚定的；different不同的5.-ful由名词构成形容词useful有用的；successful成功的；plentiful丰富的；helpful有帮助的6.-ible与-able相同visible可见的；impossible不可能的Remembertheuseofthecommonsuffixesofadjectivesandfinishtheexercise1onpage48.