九年级英语全册《Unit 9 when was it invent（第5课时）》学案 人教新目标版-人教新目标版初中九年级全册英语学案

1、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 beverag

2、e 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。第五课时学习目标的内容翻译下列短语1.撞倒_ 2.落下/跌倒_ 3.的数量_4.木制地板_ 5.把分成_二.用所给词的适当形式填空

3、6._(stand)under a tree when it rains is dangerous.7.the usa belongs to the_(develop)countries.8.the piece of music_(create)by a famous musician.9.do you like the_(active)basketball?10.a number of_(student)took part in the sports meeting.11.have you noticed a girl_(read)over there?12.he spent the_(re

4、main)time finishing his paper.13.the desk_(make)by my father.14.why not_(throw)it away?its useless now.重难点点拔1.develop v发展,开发,生长, ey plants develop from seeds.植物由种子发育而成development n.发展,进展,发达; developed countries发达国家developing counties发展中国家2.rise vi升起,;上升;上涨;增长 eg:the sun rises in the east.太阳从东方升起。注意r

5、ise与raise的辨析:都表示“提”、“升”,但二者有区别:rise表示“升起;上升;起立;起床”;说明主语自身移向较高的位置。用作不及物动词。raise表示“兴起;提起;抬高”;说明主语发出的动作是要作用于其他事物的。用作及物动词。please raise your hand when you cant understand.3.knock into撞上;将一物插入另一物 eg:the boy knocked into a big tree because of his carelessness.用于粗心,这个男孩撞上了一棵大树。注意knock at/on表示“敲”,knock down表

6、示“撞倒”。4.fall down倒下 eg:the big tree fell down because of a strong wind.由于一场强风,这棵大树倒了。5.the number of的数量 eg:the number of the trees on both sides of the road is to路两旁的树有101棵。注意the number of与a number of的辨析:the number of表示“的数量”,后接复数名词,谓语用单数,因为number是主语。a number of表示“许多”,后接可数名词复数,谓语用复数。6.players move to

7、wards one end of the court while throwing the ball to each other.运动员互相传球时都从球场的一端移向另一端。在该句子中,含有一个以while引导的时间状语从句,该从句省略了主语players和助动词are。在英语表达中,若主从句的主语一致,且从句中的谓语动词由“助动词be+动词的其他形式”构成时,常可以省略从句中的主语和be。 eg:he met an old friend while(he was)shopping.他在购物时遇到了一位老朋友。课堂训练根据汉语完成句子在课堂上,数学老师常把我们分成五组去讨论问题。our math

8、 teacher often_us_five groups to discuss some questions in class.请不要在薄冰上走,不然的话你会掉入河里。please dont walk on the thin ice,_youll_ _the river.当你睡觉时请关上门。please shut the door_ _.刚才看见老师进了教室。_ _into the classroom just now.据认为他是去年来中国的。it_ _that he came to china last year.二.用方框中所给词的适当形式填空below,create,knock int

9、o,the unmber of,more than, by mistake,be used for,dream ofdickens_many wonderful characters in his novel.the boy bough_10 books yesterday.shall i write my name on,above or_the line?there are too many people in the hall.i dont know_them.im sorry i took away your hat_yesterday.knives_cutting things.so

10、 you should be careful when using them.we are proud of yao ming and many young people_becoming a famous basketball player like him in china._players and falling down would be dangerous during the matches.三.单项选择( )1.the wokers are_in work in this factory. a.act b.activity c.active d.action( )2.we wil

11、l_the whole class_six groups and play games. a.divide;from b.divide;into c.separate;from d.separate;into( )3.the water will_quickly when it rains. a.rise b.rises c.raise d.raises( )4.this new town has_into one of the largest towns in the country. a.taken b.made c.built d.developed( )5.you must be ca

12、reful when you cross the street,or youll knock_others. a.at b.on c.in d.into( )6.they were all invented_years ago. a.two hundreds b.three hundred ofc.hundred d.hundreds of( )7.a number of students_in our school.the number of the students in our school_over one thousand. a.is;are b.are;is c.is;is d.a

13、re;are( )8.i almost_the old man standing there when i saw him. a.knocked on b.knocked around c.knocked into d.knocked off( )9.the dinner didnt start_allthe friends arrived. a.since b.until c.while d.when( )10.excuse me,sir.do you have the time? a.yes,i do b.no problem c.half past twelve d.certainly,i havethe most useful inventioncomputers参考答案:unit 9第五课时预习 一.knock into 2.fall down 3.the number of 4.wooden floordevideinto二.6.standing 7.developed 8.was created 9.activity 10.students 11.reading/read 12.remaining