Module 3 Unit1 单词句子知识详解（ppt课件）-2023新外研版九年级下册《英语》.pptx

1、Unit 1 They sometimes work harderpart 1重点单词、词组、句子重点单词1.wealthy adj.富有的;富裕的wealthier(比较级)更富有的wealthiest(最高级)最富有的wealth n.财富;财产2.fear n.担心，害怕 be fearful of担心3.double V.使加倍;把.增加一倍adj.(成)双的;两个.a double bed 一张双人床4.seldom adv.很少地;不常rarely(同义词)很5.spare adj.空余的;备用的6.deaf adj.聋的重点词组、句子7.in the past在过去 8.deal

2、 with处理9.used to过去常常 10.the number of.的数量11.spare time业余时间;闲暇 12.speak up大点声说13.Nearly finished.快完成了。14.I suppose thats because more people havecars.我想那是因为更多的人们有小汽车。15.Thats a good idea.那是个好主意。16.Thats true.的确如此。part 2 单词、句子详细讲解PPT模板 http:/moban/What is the question they need to answer?他们需要回答的问题是什么他

3、们需要回答的问题是什么?【要点】need在此处用作实义动词，意为“需要”,后面可接名词、代词、动名词或动词不定式作宾语,也可视频讲解接动词不定式作宾语补足语。【例】Do you need more food?你需要更多的食物吗?We need to have a good rest as we are too tired.我们需要好好休息一下,因为我们太累了。知识拓展need 后接动名词形式，有被动的意味，此时相当于need to be done,意为“.需要做”。【例】My hair needs cutting/to be cut.我的头发需要理了。What is the question

4、they need to answer?他们需要回答的问题是什么他们需要回答的问题是什么?need还可用作情态动词，意为“需要，必须”,其后接动词原形。通常用于否定句和疑问句中，没有人称和数的变化;也用于must引导的一般疑问句的否定回答。【例】You neednt hand in your homework now.你不必现在上交你的家庭作业。2 But people dont take as much exercise as they used to.但是人们不如以前锻炼得多了。但是人们不如以前锻炼得多了。【要点】used to意为“(用于表示过去真实或经常性的行为,特别强调现在不那样了)

5、过去”。【例】There used to be many trees here.这里过去有很多树。Tom used to get up early.汤姆过去常常早起。2 But people dont take as much exercise as they used to.但是人们不如以前锻炼得多了。但是人们不如以前锻炼得多了。【辨析】used to do,be used to do与be/get used to doingused to do 过去(常常)主语可以是物，也可以是人be used to do做被用来做主语是物be/get used to doing习惯于做主语通常是人3 M

6、ore wealth sometimes means less health.有时候财富越多意味着越不健康。有时候财富越多意味着越不健康。【要点】wealth 不可数名词,意为“财富;财产;wealthy形容词,意为“富有的”。【例】Health is the best wealth for pcoplc.健康是人们最好的财富。He is a wealthy planter.他是一个富有的种植园主。【要点】sometimes副词,意为“有时”，相当于 at times。【例】Sometimes Id like to be with one or two friends;however,some

7、times Id like to be with a large number of friends.有时我喜欢与一两个朋友在一起;然而有时我喜欢与一大帮朋友在一起。【辨析】sometimes,some times,sometime 与some timesometime有 时频度副词表示用how often动作发生的频率提问some times几次/倍 time 此处为可数名词、意为“倍;次用how many times提问sometime某个时间副词，用来指不确定的某个过去或将来的时间用when 提问some time一段时间用来表示一段时间用how long 提问4 When the nu

8、mber of cars is doubled,the pollution is also doubled,or even worse.当汽车数当汽车数量加倍时量加倍时,污染也会加倍污染也会加倍,或者甚至更严重或者甚至更严重【辨析】the number of与a number ofthe number of 意为.的数量，其中心词number,后 跟可数名词复数作主语时谓语动词通常用单数形式a number of意为“许多.”，其中心词是of后的名 词,后跟可数名词复数作主语时谓语动词通常用复数形式【要点】the number of意为.的数量”。【例】The number of my com

9、ic books is ten.我有10本连环漫画。4 When the number of cars is doubled,the pollution is also doubled,or even worse.当汽车数当汽车数量加倍时量加倍时,污染也会加倍污染也会加倍,或者甚至更严重或者甚至更严重【要点2】double此处用作及物动词,意为“使加倍把.增加一倍”。【例】Double all the quantities in the recipe to make enough for eight people.把菜谱上的量都增加一倍以够八人用餐。【知识拓展】double作形容词，意为“(成

10、)双的;两【例】They bought a double bed.他们买了一张双人床。5 Do people work as hard as they did fifty yearsago?人们工作还像人们工作还像50年前一样辛苦吗年前一样辛苦吗?【要点】hard此处用作副词,意为“努力地,辛苦地”。【例】Most importantly，you must work hard.最重要的是,你必须努力学习。She has worked hard all her life.她一生辛勤工作。【知识拓展】hard还可作形容词,意为“困难的;硬的”。【例】Its very hard to maintai

11、n a relationship.要维持一段关系是很困难的。5 People seldom say they have enough spare time!人们很少说他们有足够的业余时间人们很少说他们有足够的业余时间!【要点】seldom 副词,意为“很少地;不常”,一般放在实义动词之前,连系动词be或助动词之后。【例】They seldom go out for dinner.他们很少到外面用餐。Tony is seldom late for school.托尼很少上学迟到。【小贴士】含seldom的句子常被看作否定句。若用于反意疑问句，附加疑问句部分应用肯定 式。类似的单词还有hardly

12、,never 等。【例】He seldom goes to see the film,does he?他很少去看电影，是吗?5 People seldom say they have enough spare time!人们很少说他们有足够的业余时间人们很少说他们有足够的业余时间!【要点2】enough在此处用作限定词,意为“充足的,充分的”。作定语修饰名词时,可位于名词前,也可位于名词后。【例】We have enough time to catch up with the first.我们有足够的时间来赶，上第一名。5 People seldom say they have enough

13、spare time!人们很少说他们有足够的业余时间人们很少说他们有足够的业余时间!【知识拓展】enough 还可用作副词，意为“充分地,足够”。enough修饰动词、形容词或副词时，应位于所修饰词之后。【例】The parcel is light enough for me to carry.这个包裹足够轻,我能搬得动。.not+形容词/副词+enough to do.意 为.不.够.不能.”常与“.too+形容词/副词(反义词)+to do.而不能.相互转换。【例】The lttle girl is not old enough to take care of herself.=The l

14、ittle girl is too young to take care of herself.这个小女孩儿年龄太小了,不能照顾自己。7 Remember to speak up!Shes a bit deafnow.记得大点声说记得大点声说!她现在她现在有点儿耳背了。有点儿耳背了。【要点1】speak up意为“大点声说。【例】Its quite noisy here.Could you speak up please?这里很吵,请你大点声说好吗?【要点2】deaf形容词,意为“聋的”。【例】The son turns a deaf ear to his fathers.advice.儿子对

15、他父亲的建议置若周闻。7 Remember to speak up!Shes a bit deafnow.记得大点声说记得大点声说!她现在她现在有点儿耳背了。有点儿耳背了。【小贴士】deaf 和blind 分别表示“聋的”和“盲的”，后面连接名词耳朵和眼睛时,要加介词in.【例】My grandpa is deaf in both ears.我爷爷双耳失聪。part 3 课堂练习单项选择1.This year,_ number of students in my school _ 1,200.A.a,is B.the,is C.a,are D.the,are 2.According to th

16、e report,_ half of the students sleep late at weekends.A.mostly B.partly C.especially D.nearly3.In order to keep healthy,we should eat _ vegetables and _ meat.A.more,more B.fewer,more C.more,less D.more,fewer4.Bruce _ watches TV or listens to the radio,so he knows nothing about it.A.seldom B.sometim

17、es C.usually D.often二、短文汉语提示填空I feel lucky that I live in the modern age.People are_(富有的）and live longer than in the past.We know how to deal with the _(普通的)diseases,so we have less _(害怕)of getting ill.And we have more_ _（空闲的）time to have good fun.The role of women has also_(改变).They can get a good

18、education and have good jobs like men.wealthierordinaryfearsparechanged二、短文汉语提示填空But more _(财富)sometimes means less health.Because transport and travel are _(更容易的),people _(很少)walk and they dont exercise as much as they _ to(过去常常).When there is a lot of traffic,the pollution is also _(使加倍）,or even worse.Luckily,our people and our government are taking steps to make the situation better.wealtheasierseldomuseddoubled