Unit 4 Amazing Science Topic 1 Section B 学案（含答案）仁爱版九年级上册

Unit 4 Topic 1 Section B
【学习目标】
1.能运用一般现在时和一般过去时的被动语态对时间、人物提问,并能做出正确的回答。
2.通过听力测试,高效地完成任务。
3.通过对单元音/ / 、/ /的学习,正确读出同一类别的单词。
【预习导学】
一、生词速查
1.　　 n.电灯泡
2.　　 n.飞机
3.　　 adj.耐磨的
4.　　 n.朝鲜;韩国
二、短语速记
1.　 　被……使用
2.　 　 超过
3.　 　与……不同
4.　 　 科学博物馆
5.　 　为……设计
6.　 　全世界
三、句子速译
1.它到处被人们广泛使用。
______________________________________________________________
2.据说他一生发明了2000多样东西。
______________________________________________________________
3.但是它与今天的是不一样的。
______________________________________________________________
四、想一想
1.What invention is still very popular today
______________________________________________________________
2.What invention is your favorite
______________________________________________________________
【答案】
一、
1.bulb
2.airplane
3.hard-wearing
4.Korea
二、
1.be used by...
2.more than
3.be different from...
4.science museum
5.be designed for...
6.all over the world
三、
1.It's widely used by people everywhere.
2.It's said that he invented more than two thousand things during his life.
3.But it's different from today's.
四、
1.Airplanes, cars, bulbs, computers, TVs etc.
2.Cellphones.
【合作探究】
任务驱动一 被动语态强化
根据汉语意思完成下列句子,每空一词
1.手机如今被全世界的人们广泛使用。
Nowadays cellphones 　　widely 　　by people all over the world.
2.你知道飞机是什么时候被发明的吗
Do you know 　　 the airplane was 　　
3.据说那个苹果刚才被他吃了。
It's said that the apple 　　 　　 by him just now.
4.小刀是用来切食物的。
A knife 　　 　　for cutting food.
5.这种牛仔裤是为男人设计的。
This kind of jeans 　　 　　for men.
　　◎学法指导:运用“四看”技巧:一看主语,二看谓语,三看主谓之间是否是被动关系,四看时间状语。
任务驱动二 听力强化
听1a录音,补全文中所缺信息,每空限填一词。
The light bulb was invented by Thomas Edison.It was invented in 1.　　.It's said that he invented 2.　　 two thousand things during his life.The 3.　　 was invented by Guglielmo Marconi in 4.　　.Who invented the airplane It was invented by Wilbur and Orville Wright in 5.　　.
　　◎学法指导:答题前先做出预判,空格处是填时间、人名,还是地名,然后特别留意空格处的信息,听第二遍听力时,细心核对答案是否有误。
任务驱动三 语音学习
找出画线部分发音不同于其他三个的一项,并把序号填在题前括号内
()1.A.cotton　　　　　B.hot
C.model D.today
()2.A.camera B.hat
C.basketball D.land
()3.A.rocket B.door
C.cock D.shot
()4.A.car B.mark
C.doctor D.dark
()5.A.your B.more
C.saw D.hospital
【答案】
任务驱动一
1.are　used
2.when　invented
3.was　eaten
4.is　used
5.is　designed
任务驱动二
1879　over　radio　1895　1903
任务驱动三
1~5　DCBCD
【知识超市】
[命题点一]be used by、be used as及be used for 　
●It is widely used by people everywhere.它到处被人们广泛使用。
◎观察思考:1.The tool was used to do farm work by farmers in the past.这个工具在过去被农民用来干农活。
2.The two sticks were used as chopsticks by them because they couldn't find any other chopsticks then.那两根小树枝被他们用来当筷子使用,因为当时再也找不到任何其他的筷子了。
3.It is used for protecting you from being hurt.它是用来保护你免受伤害的。
◎用法总结:1.be used by sb.被某人使用;be used as 被用来作为……; be used for 被用来做……。2.everywhere=here and there 处处,到处。
对点自测
用正确的介词填空
1.This room is often used 　　them.
2.The bottle is used 　　keeping water.
3.A horse was used 　　a kind of traffic tool in old times.
【答案】
1.by
2.for
3.as
[命题点二] It's said that...的用法 　
●It's said that he invented more than two thousand things during his life.据说他一生发明了两千多样东西。
◎观察思考:1.It's said that his bag was taken away.据说他的书包被拿走了。
2.It's said that that cup was invented 5,000 years ago.据说那个杯子是5000年前发明的。
3.It's reported that he has left for the Republic of Korea.据报道他已经去韩国了。
◎用法总结:1.It's said that...意为“据说”,这是一个固定用法,是被动语态的结构。2.It's reported that...意为“据报道”。类似的表达还有It's believed that...意为“有人相信”。
对点自测
用所给单词的适当形式填空
1.It is 　　(say) that she is going to be our English teacher.
2.It is 　　(believe) that he will leave his hometown soon.
3.It is 　　(report) that Steve Jobs died five years ago.
【答案】
1.said
2.believed
3.reported
2