Unit 6 When was it invented Section A 分层作业（含答案）人教版九年级全册

Unit 6 When was it invented
Section A分层作业
基础巩固
一、根据句意及首字母提示补全单词。
1.The man r________ silent when the policeman asked him questions.
2.The robot was i________ by a Japanese boy who has talent in science.
3.The boys are d________ into three groups to play the game.
4.Tomatoes were b______ to China centuries ago. But at that time, few people wanted to eat them.
5.To a________ your dream, you must work harder than before.
6.You may look up some news on the w__________.
7.They are measured with special i_________.
8.Today is Sunday. There are many c____________in the supermarket.
9.He is thinking about a new p ______________about building the biggest supermarket.
10.He paid attention to his grandparents' d_____________diet.
二、根据句意用括号内所给单词的适当形式填空。
1.Celine Dion is a (Canada) singer.
2.We should remember these national (hero).
3.The old woman is very friendly to others in her (day)life.
4.I don’t like the soup. It is too (salt).
5.His dream is to be a (trade) like his father.
6.Playing basketball brings us great (please).
7.He came back late because of a (suddenly) rain.
8.In our village, (near) all the houses are the same.
9.A king is the (rule)of a country.
10.The famous (music)group will sing at the concert.
三、根据句意及汉语提示完成句子。
1.罗马不是一天建成的。
Rome in a day .
2.毫无疑问，阅读对我们有好处。
reading is good for us.
3.茶，一种很受欢迎的饮品，是偶然被发现的。
Tea, a very popular drink, was invented .
4.去年这本书被译成好几种语言。
The book several languages last year.
5.据说上周那幅名画被盗了。
the famous picture was stolen last week.
能力提升
一、单项选择。
1.Tom plays _____ basketball and Tim plays _____ piano every day.
A./, / B./, the C.the, the D.the, /
2.The thief _____ stole a man’s purse on a bus _____ by a policeman just now.
A.who, was caught B.that, has been caught C.who, caught D.that, is caught
3.Americans like to cook _____ an open fire in summer.
A.on B.in C.over D.below
4.We Chinese people are very _____ our long history.
A.worried about B.good at C.proud of D.good with
5.----Where did you go on your summer vacation
----Well, I _____ to Beijing, but finally I went to Dalian.
A.went B.was going C.have gone D.go
6.Rose finished her study in the university and went to___ a good job.
A.take after B.look after C.care for D.search for
7.----Jim, how do your parents like country music
----_____ my dad _____ my mom likes it. They both like country music.
A.Either, or B.Neither, nor C.Not only, but also D.Both, and
8. —Jenny, I need some milk.
— Ok,Mum. do you need
A.How much B.How many C.How often D.How long
9.I will wait for you here _____ you come back.
A.until B.since C.while D.because
10.----There are _____ students in the school. The number of girls _____ 800.
A.two thousand, is B.two thousands, are
C.thousands of, are D.two thousands of, is
二、完形填空。
The human population on the earth grows larger each year. As a result, more and more food needs to be grown in order to 1 everyone. Because of climate change, this task is becoming even more difficult.
To solve this problem, some experts 2 a research project. They spent several years communicating with farmers. They wanted to see what problems farmers were having and how these problems could be solved. This 3 the creation of special robots. These robots move around on farms and 4 detailed information about crops. They can take pictures of plants, track each plant’s 5 and measure its size. In this way, farmers will be able to produce more food by improving the condition of each plant.
In the past, 6 farmers did have information about the soil and the weather, they didn’t have the time or ability to track each plant. Now, 7 these robots, they can.
By collecting detailed information about plants, experts 8 that computers can help farmers make predictions about how their plants will grow.
Studying each plant could end up saving time and money. For example, if robots can detect which plants have 9 , farmers can quickly get rid of these plants before they are able to affect 10 plants. The detailed information will also allow farmers to only fertilize and water the plants in need.
1.A.impress B.raise C.feed D.influence
2.A.carried out B.broke out C.came out D.found out
3.A.devoted to B.paid attention to C.led to D.looked forward to
4.A.give B.collect C.direct D.mark
5.A.shape B.appearance C.age D.growth
6.A.until B.though C.when D.if
7.A.for B.through C.with D.throughout
8.A.worry B.suggest C.wonder D.believe
9.A.diseases B.warmth C.feelings D.breath
10.A.far B.nearby C.lively D.lasting
三、阅读理解。
Inventions have changed our life a lot. They play important roles in our, daily life. Four students are sharing some interesting inventions.
Wheels for Pet
How many of you feel your heart break when you see an animal that can’t walk They can’t speak for themselves and they can’t buy their own wheels to move. Over the past years, some kind people and pet owners have come up with the idea to help this group of animals. Wheels for Pets can give animals the freedom to run and play.
Special Recycle Bin
These are not the usual recycle bins. This special recycle bin is designed to collect second-hand books. Some students in high school have come up with the idea to help reduce waste and raise money.
Smart Mug (马克杯)
________ There is an app for the mug that allows people to set the mug to a certain temperature between 48℃ and 62℃. Some businessmen have come up with this idea to keep the drinks at the temperature for about an hour.
Special Wallet
A simple task like taking money out of your wallet can be very difficult for the blind people. This wallet is specially designed for the blind. Some third-grade students have come up with the idea to make a difference for the blind.
1.How many interesting inventions are mentioned in this passage
A.One. B.Two. C.Three. D.Four.
2.From the passage, we can know people use the wheels to ________.
A.give animals the freedom to run and play B.keep the drinks at certain temperature
C.help reduce waste and raise some money D.make a great difference for the blind people
3.Who has come up with the idea of the special recycle bin
A.Some businessmen. B.Some pet owners.
C.Some high school students. D.Some high school teachers.
4.Which is the best one that can be put into the blank
A.It’s hard to keep coffee or tea warm, especially in winter.
B.You can keep yourself clean by having a shower for five minutes.
C.Children should always keep away from hot water and hot drinks.
D.You’d better keep some food hot for 2 hours.
5.________ is specially designed for the blind.
A.Wheels for Pets B.Special Wallet C.Smart Mug D.Special Recycle Bin
拓展探究
一、语法填空。
阅读下面短文， 在空白处填入1个适当的单词或括号内所给单词的正确形式。
In 1863 the first underground passenger railway in the world opened in London. It ran for just under seven kilometers and allowed people 1 (avoid) heavy traffic on the roads above as they traveled to and 2 work. It took three years to complete and was built using 3 interesting method. This included digging up the road, laying the track and then 4 (build) a strong roof over the top. When all those had been done, the road surface 5 (replace).
Steam engines were used to pull the carriages and it must have been fairly unpleasant for the passengers, with all the smoke and noise. However, the railway quickly proved to be a great success 6 within six months, more than 25,000 people were using it every day.
Later, engineers managed to construct railways in a system of deep tunnels, 7 became known as the Tube. This development was only possible with the 8 (introduce) of electric-powered engines and lifts. The Central London Railway was one of the most 9 (succeed) of these new lines, and was opened in 1900. It had white-painted tunnels and bright red carriages, and proved 10 (extreme) popular with the public.
二、书面表达。
1.假如你是李华，你校英语社团正在开展线上国际交流活动。其公众号计划做关于“发明改变生活”的系列推送。请你用英文给公众号投稿，推荐一个你认为重要的发明，并说明推荐理由。
提示词语：important, change, easy, necessary, develop
提示问题：
● What is the invention？
● Why is it great？
Many great inventions have changed our life. ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
参考答案
基础巩固
一1.remained 2.invented 3.divided 4.brought 5.achieve
6.website 7.instruments 8.customers 9.project 10.daily
二1.Canadian 2.heroes 3.daily 4.salty 5.trader
6.pleasure 7.sudden 8.nearly 9.ruler 10.musical
1. wasn’t built 2. Without doubt 3. by accident/chance
4. was translated into 5. It’s said that
能力提升
一1-5BACCB 6-10 ADCAAA 二1-5 CACBD 6-10 BCDAB 三1-5DACAB
拓展探究
1.to avoid 2.from 3.an 4.building 5.was replaced
6.and 7.which 8.introduction 9.successful 10.extremely
二One possible version:
Many great inventions have changed our life. In my opinion, the mobile phone is the most important invention. The mobile phone makes it possible for us to communicate conveniently with others. We can get comfort whenever we are upset or we run into trouble. What’s more, with the rapid development of electronic equipment, the mobile phone is getting smaller but more powerful. Nowadays, we can also use a mobile phone to search for information or even shop online. How cool it is!
In a word, I do think that the mobile phone is the most important invention.