【冲刺练习】Unit 6 When was it invented Period 3 同步习题课件

(共18张PPT)
人教版-九年级全册 英语
Period 3　Section B 1a－ 2e
Unit 6　
When was it invented
一、根据提示用单词的适当形式填空，每空一词。
1.I don't like lemons because they are too _________ (酸的).
2.He is one of this country's top___________(profession) sportsmen.
sour　
professional　
3.Both Lin Zexu and Qi Jiguang were ________(hero) in people's hearts.
4.We should work hard to _________________(实现) our dreams.
5.The more children are ____________(encourage), the more progress they will make.
heroes　
achieve/realize
encouraged
二、根据中文提示完成句子，每空一词。
1.抱歉，我错拿了你的包。
Sorry, I took your bag ________ ________.
2.警察最终抓住那个小偷了吗？　
Did the police catch the thief ________ ________ ________？
by 　
mistake　
in
the
end
3.你知道薯条是什么时候发明的吗？
Do you know when ________ ________ ________ ________？
4.昨天晚上，她直到作业做完才去睡觉。
She ________ _______ to bed _______ her homework ________ _____________ last night.
5.今天早上，学生们被告知不准在课堂上吃东西。
The students ________ ________ ________ ________ ________ in class this morning.
potato
chips
were
invented
didn't
go
until
was
finished/done
were
told
not
to
eat
三、 完形填空 (2020广西贵港中考题改编)
Two high school students from Canada have invented a magic backpack.It can be __1__ a sleeping bag for homeless(无家的) people.
The two teens worked together for their school's science fair. They wanted to do something to help
(　　)1.A.fallen into B.turned into
C.put into D.poured into
B
homeless people. They were inspired(启发) to make the backpack after Pasha's __2__ died on the street. Because of mental(精神的) illness, he became homeless and started __3__ on the street.She missed her uncle and wanted to __4__ a safe place for homeless people.
(　　)2.A.father B.uncle C.mother D.aunt
(　　)3.A.living B.working
C.studying D.researching
(　　)4.A.buy B.visit C.create D.leave
B
A
C
Pasha, together with her best friend Adrianna, got the idea of building a __5__ for the homeless. Their amazing work is a big backpack. It __6__ two kilos. When it is folded, it can be carried on the shoulder as a backpack.
(　　)5.A.hotel B.restaurant
C.factory D.home
(　　)6.A.weighs B.collects
C.loses D.sells
D
A
And when it __7__， the backpack will become a “house”. The space blanket(毛毯) in it keeps people __8__ during the cold winters. It's 6°C to 7°C warmer inside than outside. During the hot summer months, the backpack can be turned over(翻转) so that
(　　)7.A.brings out B.spreads out
C.gives out D.hands out
(　　)8.A.warm B.wet
C.cool D.cold
B
A
the space blanket is on its top. It will be much cooler __9__.The girls hope that one day they will see homeless people using their __10__ on the streets.
What a wonderful thing the girls have done!
(　　)9.A.there B.here
C.outside D.inside
(　　)10.A.notice B.message
C.invention D.picture
D
C
四、阅读理解(C篇)(2020珠海期中题改编)
配对阅读。左栏是对五个发明的描述，右栏是七个发明故事。请把这五个发明与对应的故事配对。
A.Abacus — 190 AD
The use of the abacus, with its beads(珠子) in a rack, was first recorded in China in about 190 AD. The Chinese version was the speediest way to do sums(总数) for centuries and, in the right hands, can still outpace(超过) electronic calculators.
B.Battery — 1800 AD
In the 1780s, Italian physicist Luigi Galvani discovered that a dead frog's leg would twitch (抽动) when he touched it with two pieces of metal (金属).His friend, professor Alessandro Volta made the first battery that could be used in electronic machines.
C.Bicycle — 1861 AD
First shown as a gentleman's plaything in the 1820s, bicycles quickly became the most classless form of transport, which is good for the environment too.
D.Camera — 1826 AD
Though British polymath(博学大师) William Talbot was the inventor of one of the earliest cameras, Joseph Nicephore Niepce produced the earliest surviving photograph on a pewter plate(锡板) in 1826.
E.Refrigerator — 1834 AD
Jacob Perkins was the first to describe how pipes filled with volatile(易挥发的) chemicals whose molecules (分子) evaporated(蒸发) very easily could keep food cool.
F.Lock — 2000 BC
Egyptians were the first to put things under lock and key about 4，000 years ago.
G.Paper — 105 AD
The Chinese began using bamboo fibers to make paper almost 2，000 years ago, but it took centuries for paper to envelop the world. People can't live without it now.
(　　)1.People need it to keep the electric things going on. It could be used in cameras, calculators, MP3 players and so on.
(　　)2.Ancient Chinese people invented it to calculate (计算) numbers. Even in the modern world, people in China still use it and find it faster than the calculator.
(　　)3.It's one of the most important inventions in the world. People use it in the office every day. It's used for making books, magazines, newspapers and so on. We shouldn't waste it because it's made from trees.
B
A
G
(　　)4.Though it was invented in the western country, it was very popular in China in the 1970s.It's good for the environment and for people's health if they go to work by it.
(　　)5.People keep this invention at home because it's very useful for daily life. It can keep the food cool and fresh so that people don't need to go shopping often.
C
E