实用大学英语实用大学英语UnitTwoUnitTwoUnitTwoUnitTwoSectionAListeningandSpeaking◆学习前元音、爆破音、辅音连缀以及清辅音浊化◆掌握GreetingandIntroducing的相关表达SectionBReading•◆阅读两篇有关Person的文章•SectionCTryingYourHand•◆了解名词的用法•◆学习基本句型的扩展•A.前元音/i/,/ːi/,/e/,/æ/•爆破音/p/,/b/,/t/,/d/,/k/,/g/•◆前元音/i/,/ːi/,/e/,/æ/•/i/ː的发音要领:•舌尖抵下齿,上下齿间有一丝丝缝隙,舌前部尽力向硬腭抬起,但没有任何接触。口腔肌肉紧张,嘴唇向两旁伸开,唇形扁平,作微笑状。发音和汉语的“衣”比较相近。•/i/的发音要领:•舌尖抵下齿,开口比/i/ː大些,上下齿间可容下一小指头尖,舌前部尽力向硬腭抬起,但没有任何接触。舌位比•/i/ː低,舌部肌肉比/i/ː放松,唇形扁平。•/e/的发音要领:•舌尖抵下齿,上下齿间可容下一食指,舌位比/i/低,口腔肌肉松弛,嘴角侧展,唇形稍扁。•/æ/的发音要领:•舌尖抵下齿,开口比/e/大些,上下齿间可容下两个交叠的食指,舌前部稍抬起,比/e/低,双唇向两旁平伸,咽喉收缩。•◆爆破音/p/,/b/,/t/,/d/,/k/,/g/•/p/,/b/的发音要领:•唇:双唇先合拢,阻住气流,然后突然分开。•气流:从口腔经双唇冲出。•声带:发/p/时声带不振动,送气较强;发/b/时声带振动,送气较弱。•/t/,/d/的发音要领:•舌:舌尖抵住上齿龈,阻住气流,然后突然分开。•气流:从舌尖和上齿龈间泄出。•声带:发/t/时声带不振动,送气较强;发/d/时声带振动,送气较弱。/k/,/g/的发音要领:•舌:舌后部先抬起,紧贴软腭,形成阻碍,然后突然离开。•气流:从舌后部和软腭间冲出。•声带:发/k/时声带不振动,气流较强;发//时声带振动,气流较弱。•B.辅音连缀辅音浊化•◆辅音连缀•两个或者两个以上的辅音连在一起的现象叫做辅音连缀,如desk/desk/中的/sk/。•辅音浊化•清清辅音浊化清辅音浊化只是一种发音现象,不是规则。按照英语读音的习惯,在/s/音后面的清辅音会读成相应的浊辅音,这就是清辅音浊化。•/s/后面清辅音浊化的规则:•①/s/+清辅音+元音,无论是在单词的最前面还是中间,只要是在重读音节或次重读音节里,一般都读成相应的浊辅音,如stand,strike,speak,sky等。•②/s/+清辅音,不存在浊化的问题,如grasp,test,desk等,仍发清辅音。ExercisesExercises•Ⅰ.Listentothediskandtellwhichofthewordshasbeenread.•Ⅱ.Readthefollowingexpressionsaloudandtrytofindoutthewordswith/p/,/b/,/t/,/d/,/k/and/g/.•Ⅲ.Listentothediskandreadthefollowingsentences.•Ⅳ.Listentothediskandreadthefollowingexpressions,payingattentiontothedevoicingphenomenonandpickoutthewordsthathavebeendevoiced.•①Andyou?你呢?•②Longtimenosee.Howarethings?•相当于Haven’tseenyouforages.How’severything?好久不见,过得怎么样啊?•③What’sup?•相当于What’snew?有什么新鲜事吗?up在这里表示“在…活动中,在…状态中”。•④Nothingmuch.没什么。•⑤prettybusy非常忙,好忙•⑥SeemslikeallIdoisworkandwork.•此处省略了主语,相当于Itseemslike…•⑦Thepleasureismine.•很荣幸认识你。•Dialogue1•Ⅰ.Listentothedialogueanddecidewhetherthefollowingstatementsaretrue(T)orfalse(F).•Ⅱ.Listentothedialogueagainandfillintheblankswiththeinformationyou’veheard.•Ⅲ.RolePlay•Dialogue2•Ⅰ.Listentothedialogueandchoosethebestanswertoeachofthefollowingquestions.•Ⅱ.Listentothedialogueagainandanswerthefollowingquestions.•Passage1•Nowyou’llhearapassage.Listentoitandcompletethefollowingsentencesaccordingtotheinformationyou’veheardwiththewordsandphrasesprovidedinthebox.Thenlistentoitagainandcheckyouranswers.•Passage2•Ⅰ.Nowyou’llhearapassage,whichisfollowedbyfourquestions.Listentoitandchoosethebestanswertoeachofthefollowingquestions.Thenlistentoitagainandchecky...