Unit 4 Amazing Science Topic 1 When was it invented SectionA 课件（17张PPT）

课件17张PPT。Unit 4 Amazing Science Topic 1 When was it invented ?Section A (1a-2)
is cleaned by every day.She cleans the classroom every day. is spoken by He speaks English.EnglishEnglish.Hehim.The classroomthe classroomSheher 被动语态(Passive Voice ) be + done 主动语态：主语 + 动词 + 宾语
被动语态：主语 + be + 过去分词 + by + 宾语
Many people use computers.Computers _____ ________
by _______ _________.The workers plant trees in the garden.Trees _____ _______ in the
garden ____ the workers.are usedmany peopleare plantedbyCan you try ？The panda ate bamboo leaves this morning.Bamboo leaves ____ _____ _____the panda this morning.A P.E. teacher invented basketball in the nineteenth century. Basketball ____ _____ _____ a P.E. teacher in the nineteenth century. were eaten
by was invented
by1.Lucy waters the flowers every day.
2.Lots of children visit the zoo on weekends.
3.My grandma grow vegetables on the farm.
4.In this factory women do most of the work. Change them into Passive Voice. The flowers are watered by Lucy every day. The zoo is visited by lots of children on
weekends. Vegetables are grown by my grandma on the
farm.Most of the work is done by women in this
factory. A: What’s the lock made of?
B: It’s made of metal.
A: What’s it used for?
B: It’s used for locking the door. 2 Follow the example to make up similar conversations. lock/metal
[l?k]
锁[`metl]
金属be made of 用…制造的
(从成品中看得出原材料) rocket/metal [`r?k?t]火箭A: What’s it made of?
B: It’s made of metal.
A: Do you know what it is used for?
B: It’s used for sending satellites or spaceships
into space.[`s?t?la?t]
卫星[`spe?s??p]
宇宙飞船A: What’s the paper made from?
B: It’s made from wood.
A: What’s it used for?
B: It’s used for writing on.paper/woodbe made from
用…制造的
(从成品中看不出原材料）wine/riceA: What’s the wine made from? B: It’s made from rice. A: What’s it used for? B: It’s used for drinking. computer desk /woodchopsticks/bamboosweater /cottonwatch/metalA: What’s … made of/from?
B: It’s made of/from...
A: What’s it used for?
B: It’s used for ... Practice in pairs.1c Read 1a and answer the following questions. 1. Why did Kankang ask Jane not to spend too much time on computer games ? It’s bad for her health if she spends too much time on them.too tiredheadachesore eyes2. What’s a rocket used for?
It’s used for sending satellites or spaceships into space .
be used for 被用来做
be used to do 被用来做
be used to doing 习惯于做某事
used to do sth. 过去常常做某事
3. Who taught Kangkang some knowledge about spaceships?
Mr. Brown.

4. What’s Kangkang’s dream?
He wishes he could go into space some day. some day----某一天，总有一天(将来)
I hope his dream will come true . Jane is unhappy because she was not allowed to ________ last night. Kangkang tells her not to _________ on them, because it’s bad for her health. Then Kangkang shows ________to Jane. It was made by Kangkang. The model rocket _______ metal. It’s used for _________. Kangkang wishes he could _____ some day. Jane hopes his dream will _______ . Retell 1he text to cultivate the thinking ability of students Retell 1a SummaryWe learn: 1.Some words: lock, rocket, metal, satellite,
spaceship
2. Some phrases: be made of, be used for,
some day, come true
3. Some sentences:
(1) I wish I could go into space some day.
(2) I hope your dream will come true.
(3) -What is a rocket used for?
-It’s used for sending satellites or
spaceships into space.
We can: Use the passive voice.
Assignment
Memorize the useful expressions and key sentences that we learn today.
Finish the exercises.
Thank You !