2019八年级英语上册Unit2HowoftendoyouexerciseSectionB备课资料教案.doc

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1、1UnitUnit 2 2 HowHow oftenoften dodo youyou exercise?exercise? SectionSection B B1.She1.She sayssays itsits goodgood forfor mymy health.health. 她说它她说它( (牛奶牛奶) )对我的健康有好处。对我的健康有好处。be good for 意为“对有益”,反义词组:be bad for 意为“对有害”。如:Eating vegetables is good for your health.吃蔬菜对你的健康有益。【辨析】be good for,be good

2、 at 与 be good with词组意义例句be good for对有益Drinking milk is good for our health.喝牛奶对我们的健康有好处。be good at善长于be good with与相处得不错Mark is good at making friends with others,so hes good with everyone.马克擅长与人交友,所以他与所有人相处得不错。health 不可数名词,意为“健康”;其形容词形式为 healthy,意为“健康的”。如:Fresh air and exercise are good for the heal

3、th.新鲜空气和运动有益于健康。The old man is very healthy.那位老人非常健康。2.We2.We foundfound thatthat onlyonly fifteenfifteen percentpercent ofof ourour studentsstudents exerciseexercise everyevery day.day.我们发现仅有我们发现仅有 15%15%的学生每天锻炼。的学生每天锻炼。本句是“find+that 从句”的用法。如:I found that the job was very interesting.我发现这份工作很有趣。【拓展

4、】find 作“发现;发觉”讲时,其后可接各种形式的复合结构:“find+宾语+名词”结构 如:2We have found him(to be) a good boy.我们发现他是一个好孩子。“find+宾语+形容词”结构 如:He found the room dirty.他发现这个房间很脏。“find+宾语+现在分词”结构 如:I found her standing at the door.我发现她正站在门口。百分数由 percent 表示,构成:基数词+percent。percent 没有复数形式,作主语时,根据它所修饰的名词来判断谓语的单复数。如:Seventy percent o

5、f the boys like playing computer games.70%的男生喜欢玩电脑游戏。Thirty percent of time passes.30%的时间过去了。3.Although3.Although manymany studentsstudents likelike toto watchwatch sports,gamesports,game showsshows areare thethe mostmost popular.popular.尽管很多学生喜欢看运动类节目尽管很多学生喜欢看运动类节目, ,但游戏类节目是最受欢迎的。但游戏类节目是最受欢迎的。altho

6、ugh 连词意为“虽然;尽管”,用来引导让步状语从句。如:Although he is very rich,he is unhappy.尽管他非常富有,但他并不快乐。注意:although 不能和连词 but 连用,但可以和副词 yet 或 still 连用。the most popular 是 popular 的最高级形式,意为“最受欢迎的”。如:Who is the most popular TV star?谁是最受欢迎的电视明星?4.It4.It isis goodgood toto relaxrelax byby usingusing thethe InternetInternet o

7、fof watchingwatching gamegame shows,butshows,but wewe thinkthink thethe bestbest wayway toto relaxrelax isis throughthrough exercise.exercise.通过上网或看游戏类节目是很好的放松方式通过上网或看游戏类节目是很好的放松方式, ,但我们认为最好的放松方式是通过锻炼。但我们认为最好的放松方式是通过锻炼。本句使用固定句式 It is/was+adj.+to do sth.,意为“(对某人来说)做某事是的”。it 是形式主语,放在句首,动词不定式作真正的主语,放在句

8、末。为了句子平衡,将真正主语放在后面。如:Its not good to complain too much.抱怨太多是不好的。through 介词,意为“以;凭借;通过”。如:I got the news through my uncle.3我通过叔叔得到了这个消息。【拓展】through 作介词时,还可意为“从的一端到另一端(表示方向);经过”。如:The river flows through the city.这条河流经城市。5.And5.And remember,“oldremember,“old habitshabits diedie hard”.hard”.请记住请记住:“:“积

9、习难改积习难改”。die 可作及物动词,也可作不及物动词,意为“死亡;消失”。如:He died three years ago.他 3 年前就死了。【拓展】dead 形容词,意为“死的,死亡的”;death 名词,意为“死亡”。6.However,she6.However,she hashas somesome badbad habits,too.habits,too. 然而她也有一些坏习惯。然而她也有一些坏习惯。however 在此为副词,意为“然而;无论如何;不过”,可以位于句首、句中和句末,位于句首时,要用逗号与句子其他部分隔开;位于句中时,其前后都要用逗号;位于句末时,其前用逗号分开

10、。如:She was ill.However,she still went to work.她病了,然而她依然去上班。His brother,however,had other ideas.然而他的哥哥却有别的想法。【辨析】however 与 buthowever“然而;可是”,既可作副词,也可作连词不能直接连接两个分句,必须另起新句,用逗号隔开,表示的是一种补充关系but“可是”,一般作连词可连接前后两个分句,意义上表示的是一种转折关系It began to rain.However,we went out to look for the boy.天开始下雨了,不过我们还是出去寻找那个男孩了

11、。It is a sunny morning,but very cold.这是一个晴朗的早晨,但是却很冷。7.She7.She usuallyusually watcheswatches TVTV forfor moremore thanthan twotwo hourshours a a day.day.她通常每天看两个多小时的电视她通常每天看两个多小时的电视more than 相当于 over,意为“超过;多于;不仅仅”。如:I lived in Chongqing for more than/over ten years.我在重庆住了 10 多年了。8.she8.she nevernev

12、er g goesoes toto thethe dentistdentist forfor teethteeth cleaning.cleaning.她从不为清洁牙齿去看牙医。她从不为清洁牙齿去看牙医。go to the dentist 意为“去看牙医”。如:How often do you go to the dentist?4你多久去看一次牙医?9.Almost9.Almost everyevery day.day.几乎每天。几乎每天。almost 副词,意为“几乎;差不多”。almost 一般置于实义动词之前,连系动词、助词和情态动词之后;almost 不能置于句末。如:I almos

13、t forget to write to him.我几乎忘记了给他写信。It was almost like a good dream.这几乎就像一场美梦。10.Less10.Less thanthan six.six.不到不到 6 6 个小时。个小时。less than 意为“不到;少于”;其反义词组为 more than,意为“多于;超过”。如:We live here for less than two years.我们在这儿住了不到两年。We know each other for more than twenty years.我们互相认识了 20 多年了。例 1(2012 济南)Ha

14、ve you ever been to Disneyland?No, .I hope I can go there next year. A.always B.sometimes C.never D.often解析：考查副词。由句意“我希望我明年能去那。”可知“我”从未去过迪斯尼乐园。答案：C例 2(2012 重庆)Mr.Li asks the students in the river,because its too dangerous. A.swim B.to swim C.not to swim D.to not swim解析：考查固定用法及搭配。Ask sb. to do sth 意思

15、为：让某人做某事。答案：B5那些美丽的花儿那些美丽的花儿 TheThe NiceNice FlowersFlowersAs the sun rose over the horizon, I went out to enjoy the beauty of the grassland scenery. On the way, I saw a pair of red flowers blooming. They had flat petals and were incredibly full of smiling beauty. Those independent flowers seemed ve

16、ry vibrant. Gazing at the flowers made me think of many things. 当太阳升过地平线时，我走出屋外来欣赏草原的美景。在路上，我看见两朵红色的花在绽放。花瓣平展，花朵有着让人无法抵御的美丽。这些自由的花朵充满了活力。看见这些花儿让我想起许多事。Dew like pearls shone on the grass brightly. Rays of sun offered happiness. I stood and stared at the beautiful flowers for a long time, enjoying the

17、 bright, pleasant sunshine. Butterflies and little bees were flying about. Then some naughty children with sticks came. One child swung his stick when he saw the flowers. Many petals fell to the earth, and with them, my heart fell too. 草上的露珠像晶莹剔透的珍珠在闪烁。阳光送来了幸福。我站在那儿，长久凝视着这些花儿，享受着明亮而又惬意的阳光。蝴蝶和蜜蜂在花丛中飞

18、舞。这时，2 个拿着棍子的淘气小男孩来到这里，有个男孩一看到这些花，马上就挥起了棍子。许多花瓣掉落到地上，我的心也随之跌入低谷。The next day, beside the road, the red flowers were brighter than the day before. The natural beauty made me gasp. It gave me an understanding of the energy of growing and youth and convinced me it couldnt be destroyed with a heartless

19、stick. I wanted to be like the soul of a flower. 第 2 天，路边的那 2 朵红花看起来比前一天更加娇艳。自然的美丽让我几乎窒息。它让我理解了成长和青春的力量，使我相信那是棍子所不能摧毁的，我也想拥有像花儿一样的灵魂。Then I saw an old woman and child coming along the road. When they reached the flowers the child quickly plucked one. I felt great horror and then heard the old woman say, “What beautiful flowers. Dont pick them.“ The next day, I couldnt see the flowers anymore. The grass and leaves on the ground were almost dried. I was in a world of great sorrow.这时，我看到一位老妇人和小孩沿着路边走来。小孩一看到花儿，马上就摘下了一朵。我为可怜的6花儿感到难过，这时听老妇人说道：“多美的花儿啊！不要去摘。”第二天，我再也看不到路边的花儿了。地上的草和叶子都枯萎了。我的心满是哀愁。