河南省上蔡县第一初级中学九年级英语全册《Unit 9 when was it invent（第4课时）》学案 人教新目标版.doc

unit 9 when was it inventsection b学习目标掌握重点单词和短语:crispy脆的 salty咸的 sour酸的 beverage饮料 ancient古代的;古老的legend传说 boil煮沸 remain保持 produce生产;制造 pleasant舒适的 pie馅饼 throw投;掷 century世纪 by mistake错误地 by accident偶然 fall into落入 according to根据in this way这样掌握重点句型:the potato chips were invented by mistake.this beverage was discovered over three thousand years before that.some leaves from a nearby bush feel into the water and remained there for some time.the emperor noticed that the leaves in the water produced a pleasant smell.学会正确运用被动语态、讨论重要发明的历史。第四课时(3a4b)预习英汉互译1.偶然_ 2.根据_ 3.这样_4.fall into_ 5.flying disk_ 6.be invented by_二.用所给词的适当形式填空7.at the beginning of the eighteenth_(century),the population of the world was very small.8.the hospital_(found)in 1970.9.what_(pleasure)weather it is today!10.he_(notice)that she had left already.重难点点拔1.notice v.注意到;觉察到 the first thing i noticed about the room was the small 我首先注意到的是这屋子里的气味。notice之后可用不带to的动词不定式作宾补,也可用动词ing形式作宾补,意为“注意到某人干某事”。i noticed them come in.我注意到他们进来了。i didnt notice him leaving.我没注意到他离开。注意:不带to的动词不定式作宾补的主动语态,变为被动语态时不定式前要加to。they were noticed to come in.他们被注意到进来了。2.pleasant adj合意;令人愉快的;讨人喜欢的how pleasant it is to stay with you!跟你在一起真高兴!拓展归纳pleased“高兴的;满意的”,后面可跟with;at,about等介词或带to的不定式。she was pleased with her new room.她对她的新房间感到满意。pleasing“令人喜欢的;讨人喜欢的”。 there are a lot of waiters with pleasing manners in that hotel.那家宾馆有许多态度讨人喜欢的侍者。pleasing强调符合对方的主观爱好;而pleasant则着重于外界影响使对方产生喜悦的感觉。3.by accident副词短语,意思是“偶然地”。常在句中作状语。he painted the wonderful picture_(偶然地画出了美妙的画)according to介词短语,“根据;依据;按照;据(某人所述)”,后面常跟名词。according_the weather reporter,there will be rain tomorrow.重点句子分析some leaves from a nearby bush fell into the water and remained there for some time.附近的一棵灌木树上的几片叶子落进了水中并在那里逗留了一段时间。nearby为形容词时,意为“附近的”,指空间上的近;用作副词时,意为“附近”。remain为动词时意为“停留;逗留;留下;保持”,指人逗留在一定的场所,也指物逗留在一定的场所或保持原来的形状或状态。fall into为动词短语,意为“落入;陷入。”produce生产;制造;演出;出版为及物动词,后可直接接宾语。作“提出;拿出”讲时,可与come up with替换。如:he came up with/produced a good idea.他想出了个好主意。america_(生产)less cars this year than last year.in this way“这样;用这种方式”,表示“方法”或“手段”。如:in this way he got the weight of the elephant.用这种方法他称出了大象的重量。课堂训练单项选择( )1.shes got the job she dreamt of,but more_than design. a.in the accident b.in accident c.by the accident d.by accident( )2.the big bowl_wine warm in the old days. a.was used for keeping b.is used by keepingc.was used as keeping d.is used to keep( )3.the little girl_the river.people nearby hurried to pull her out of it. a.fell to b.fell into c.fell off d.fell over( )4.people have built a great green wall across the northern part of the country,_sand storms are prevented.(沙尘暴破阻止) a.by the way b.on the way c.in this way d.on the half way( )5.the beautiful scenery will_in our minds for a long time. a.remain b.last c.be stayed d.be remain( )6.thanks you for helping me.with my_. a.please b.pleased c.pleasant d.pleasure( )7.it smells_. a.terrible b.terribly c.badly d.well( )8.he was seen_into the room. a.to come b.come c.came d.comes( )9.it was a very long day for jack.he didnt get home from school_six oclock. a.since b.to c.by d.until( )10.how about going hiking this weekend? -sorry,i prefer_rather than_. a.to stay at home;go out b.go to out;stay at homec.staying at home;go out d.going out;stay at home二.句型转换.11.chinese people invented the abacus in the sixth century.(改为同义句) the abacus_ _in the sixth century_chinese people.12.binoculars were invented by ignatio porro.(对画线部分提问)_were binoculars invented_?13.umbrella were invented abot 4,000 years ago.(对画线部分提问)_were umbrella invented?14.the flying disk was a toy.it was invented by college students.(合并为一个句子) the flying disk was a toy which _ _by college students.三.用方框中所给词组适当形式完成句子enough to,by mistake,fall into,according to ,by accident15.its dangerous to skate on the river in winter because you may_it.16.the girl got up early_eatch the early bus.17.i met one of my old classmates_at the train station.18.tom said sorry to me because he took my pen away_.19.workers are usually paid_the hours they work every day.the most useful inventioncomputers参考答案:unit 9第四课时预习一.by accident 2.according to 3.in this way 4.落入 5.飞碟 6.被发明二.7