Unit 4 Inventions : Great inventionms
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Unit 4 Workbook
A 1 e 2 b 3 c 4 a 5 f 6 d
B 1 invent 2 at the same time
3 century 4 lamps
5 Since then 6 anytime
Al l good 2 worst
3 better 4 best
5 worse 6 bad
A2 2 best 3 worst
4 farthest/furthest 5 farther/further
6 worst 7 better
B1 2 isn't as expensive as
3 isn't as cheap as
4 is as tall as
5 isn't as deep as
6 isn't as wide as
B2 3 Carol buys as many books as Jim every month.
4 Luke spends as much money on food as Kate every month.
5 Luke doesn't spend as much money on clothes as Jim every month.
6 Kate doesn't spend as much money on food as Jim every month.
C 1 as good as
2 not as expensive as
3 as many; as
Listening and speaking
A 1 better
B 1 b 2 c 3 b 4 c
C 1 They went to a competition for young inventors.
2 They went there in a truck.
3 They got stopped under a low bridge.
4 Because the truck was too tall to go under the bridge.
5 They let some air out of the truck's tyres.
A 1 d 2 b 3 e 4 a 5 c
2 F; They taught themselves maths and engineering.
4 F; Orville made the first successful flight before Wilbur, on 17 Dec. 1903.
C 1 Alexander Fleming
6 It can kill bacteria and help save people's lives.
Robots are now very popular and they can do many jobs for us. Here are some of the most popular robots.
This robot first appeared in 1984. It can carry food, medicine and other things around the hospital. It can also work as a guide.
AIBO looks like a lovely puppy. It can to touch see and hear. It first appeared in 1999. When it wants to show its feelings, it can move its body or change the colour of its eyes.
Roomba became famous as soon as it appeared in 2002. It can clean the floor without help. It also avoids the furniture and the stairs.
ASIMO is the newest model. It appeared in 2011. It can walk run and climb the stairs lust like a human being, and it can work as a waiter in a coffee shop.
A 1 American 2 1945 3 produce
4 next to 5 soft 6 cook things
7 350 8 fridge
B 1 photographer
2 if all its legs left the ground
3 took one picture as the horse moved
4 the horse was moving
5 24 to 30 pictures or frames
C l b 2 a 3 b 4 c
5 d 6 b 7 a 8 c
D2 (Possible answer)
The most useful invention
All these inventions have helped people live a better life, but we think
the Internet has changed the world the most. It has made the world seem much smaller.
This invention has made
it possible for everyone to be connected
. In the past,
it took weeks or even months for a letter to arrive.
it only takes seconds for an email
the Internet, our life would not be so convenient and information could not be
passed so quickly between people
We think the Internet
is the most useful invention. It has changed the world around us .
附件2下载：8A 综合练习册 Unit 4.mp3 |
附件3下载：八年级评价手册答案 Unit 4.doc |
附件6下载：Unit4 Grammar.ppt |
附件7下载：Unit4 Inventions listening and speaking.ppt |
附件8下载：Unit4 Inventions reading.ppt |
附件9下载：Unit4 Inventions words.ppt |
附件10下载：Unit4 writing.ppt |
附件11下载：P51 Reading.mp3 |
附件12下载：P130 单词听力（第04单元）.mp3 |
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