内容正文:
八年级上册
英 语
仁爱版
仁爱版 英语 九年级上册
Warming up—Pre-reading—While-reading—Post-reading—Exercises —Summary
Unit 4 Amazing Science
Topic 1 When was it invented ?
Section B
Warming up
Thomas Edison Inventors托马斯·网尔瓦·爱道生bulb [bnb]
invented the light bulbHe failed more than 8000 times before the light bulb was invented.We can learn hard work and persistence from the great inventor.
(
Watch the video and fill the blanks.
Thomas Edison
We also know invented the first radio
Guglielmo
Marconi
The first airplane is quite different from today's.
invented it
Wilbur and Orville Wright
A:What’s this ?
B:It’s …
A:When was it invented ?
B: It was invented in …
A: Who invented it ?
B:…
learn new words
bulb n.电灯泡 [bʌlb]
airplane n.飞机 [ˈeəpleɪn]
hardwearing adj.耐磨的
1. Many objects in space are invisible(看不见的), but they send __________ /ˈreɪdiəʊ/ waves.
2. __________ (Korea) people started to drink tea during the 6th and 7th centuries.
radio
Korean
inventors
for
3. One of the earliest known kid __________ (invent) was Benjamin Franklin.
4. Kites were used _________ sending messages in the war in the past.
5. The government is planning to ___________ /kriˈeɪt/
more jobs for young people.
create
( )1.He ___play computer games unless he finished his
homework.
A. was allowed to B. was not allowed to C. allow to
( )2.We all know that paper ___wood.
A. is made of B. is made into C. is made from
( )3.This kind of machine ___in 2006.
A. is invented B. is made C. was invented
( )4.A(An)___is used for taking photos.
A .Camera B. Lift C. MP3 player
( )5 .We should spend more time ___because it’s too
important.
A .to le