九年级英语上册Unit 6 When was it invented单元检测（含解析人教新目标版） 9页

2020 人教版初三英语上册单元检测练习题 Unit 6（含答案） Ⅰ.单项选择 1.I found Lisa's bag in the playground____accident.I picked it up and returned it to her. A.for B.with C.of D.by 2.In summer, if you don't put food in the___,it may go bad easily. A.fridge B.oven C.pot D.bottle 3.What are you cooking，Mum?It____so nice! A.smells B.tastes C.feels D.sounds 4.—Will you buy the blue T-shirt? ---Yes,I will. Its price is______and I can afford it. A.expensive B.cheap C.high D.low 5.We will have a sports meeting in October， but______knows the date for sure. A.everybody B.nobody C.anybody D. somebody 6.—Can you help me think of an idea? ---______. Let me think. A. With pleasure B.No way C.Never mind D. That’s right 7. Don't give up. I believe you can___your dream one day. A.lose B.warn C.achieve D.fail 8.The government_____people to use public transport to go around because of the air pollution. A.encourages B.warns C.avoids 9.I tried many ways I could think of to stop the litle boy______. A.to cry B.crying C.cried D.be cried 10.—Have you heard of Xu Yuanchong?He has ever won the world's highest honor in translation. —Of course. Many famous poems in ancient China were ______into English by him. A.divided B.produced C.packed D.translated 11.It's impossible for me to finish all these tasks______，but I promise to finish them one by one. A.at the same time B.at times C.all the time D.at the right time 12.Alipay is very popular these days.___the young___the old are using it. A.Either;or B.Neither;nor C.Not only;but also D. Between;and 13.—Who is the winner of the 100-metre race? —Don't you know? It must be James Green. He______runs fastest of all. A.without doubt B.by mistake C.by accident 14.Paper-making______by the Chinese in the Western Han dynasty（朝代）. A.is invented B.invented C.was invented 15.—Most teenagers___the heroes in their eyes and usually follow them. —I think they should have a right attitude. To be oneself is also important. A. look forward to B.look up to C.get along with D.come up with Ⅱ.完形填空 Have you ever licked（舔）your fingers after you finish eating a tasty treat?A 16 _____named Constantin Fahlberg did!He invented saccharin（糖精）by licking his fingers. He invented it by accident. In 1879, Constantin Fahlberg 17______ a project at Johns Hopkins University to find uses for coal tar（煤焦油）.After a day at work in the lab，Fahlberg went home for supper.His wife had 18 _____some rolls（小圆面包）to go along with the meal.After Fahlberg took a bite of a roll,he thought it 19 _______especially sweet. He asked his wife if she had added anything to make the rolls 20_____. She told him she hadn't. She thought the rolls tasted the same as usual. Fahlberg wondered 21_____ the extra sweetness came from. He looked at his hands 22_____. Then he laughed.He realized that he 23______ to wash his hands before eating the rolls.His hands still had residues（残留物）from his experiments with coal tar.He thought that the chemicals on his 24_____ might be the source of the sweetness. Later on,he used the residues to25 ______a new material and it was called"saccharin".It is a kind of ingredient and can make meals sweeter. 16.A.historian B.physicist C.musician D.chamist 17.A.took up B.put up C.gave up D.stayed up 18.A.sold B.prepared C.boiled D.thrown 19. A.smelt B.sounded C.tasted D. looked 20. A.bitter B.sour C.sweet D.spicy 21. .A.what B.where C.when D.how 22.A.loudly B.carefully C.quietly D.carelessly 23.A.borrowed B.lent C.remembered D.forgot 24.A.face B.mouth C.hands D.arms 25.A.develop B.remain C.avoid D.complete Ⅲ.阅读理解 A Inventions make our life easier and more interesting than before.Let's take a look at some of the interesting inventions. 26. The smart mug comes from_______. A.Japan B.America C.China D.Britain 27.If you want to keep your coffee in the mug warm, you can_______. A.boil the coffee again B.pour more hot water into the mug C.put the mug in a warm place D.use the app to set a certain temperature 28.From the third paragraph, we can learn Jibo_______. A. is a person with a big round head B.has big eyes and a mouth C.can take photos or read news to people D.can do many difficult things 29.According to the last paragraph, we can know that a fidget spinner can be made of_____. A.wood B.plastic C.paper D.glass 30.The underlined word"twirl"in the last paragraph probably means______. A.run very fast B.jump very high C.turn round quickly D.stand upside down B Children grow quickly, especially their feet.But many families cannot afford new shoes each time. As a result, about 300 million children around the world go barefoot. Those children risk picking up diseases and parasites（寄生虫）from the soil. Kenton Lee,an American, has a solution for those barefoot kids—a shoe that grows with the child. He explains how the shoe works and how it is able to last so long. "It grows in three placesthe front，the sides with Velcro（尼龙搭扣）and the back with a buckle（锁扣）.It can last up to five years.The bottom is made of compressed rubber（压缩橡胶），and the top is high-quality leather.The shoes come in two sizes∶small ize that fits children aged 4 to 9 and large size for children aged9 to 14." Lee says he got the idea for the shoe while working as a voluntee in Kenya."There were many children with too small shoes for their feet, but they were too poor to buy new shoes. So they had to cut open the front of the shoes to let their toes stick out. I wanted to do something to help them, so I invented these shoes." Up to now, they have sent more than 50,000 pairs of shoes to 70 countries.A pair of shoes, he says, gives a child not only protection, but also self-worth I's a small invention but really does make a big difference in these children's life. 31. What's the main reason for wearing a pair of shoes mentioned in this passage? A. For beauty. B. For fashion. C.For health. D.For wealth. 32.Where do the shoes grow? ①The front ②The bottom ③The sides ④The top ⑤The back A.①③⑤ B.①②④ C.②③④ D.②④⑤ 33.Who may appreciate the shoes of this kind according to the passage? A 1-year-old child. B.A 3-year-old child B. An 11-year-old child. D.A 15-year-old child. 34. Why did Kenton Lee invent these shoes? A. Because he wanted to be famous. B. Because he wanted to be a designer. C. Because he wanted to earn much money. D.Because he wanted to help the poor children. 35.This passage most probably comes from__. A.a poem B.a newspaper C.an ad D.a poster C In our daily life, robots are often found to do work that is too dangerous, boring, difficult, or dirty. And we often see kids play with toy robots. But what exactly is a robot?There are some important characteristics（特征）that a robot must have. These characteristics might help you to decide what is and what is not a robot. It will also help you to decide what you will need to build into a machine before it can be considered as a robot.A robot has these important characteristics: Sensing First of all, your robot would have to be able to sense the environment around it.Give your robot sensors（传感器）light sensors（eyes）， touch sensors（hands），chemical sensors(nose), hearing sensors(ears)and taste sensors(tongue). Movement A robot needs to be able to move around its environment. It can move on wheels， walk on legs or be driven by small engines（发动机）.A robot can move either the whole body or just parts of it. Energy A robot needs to be able to power itself. Some robots might power iself with sunlight; some might with electricity， while others with the battry（电池）.The way your robot gets its energy will depend on what your obot needs to do. Intelligence A robot needs some kind of"smarts".A programmer is the person who gives the robot its "smarts".The robot will have to have a certain way to receive the program so that it knows what it is to do. 36.The underlined word"it"in Paragraph 2 is about_______ A.the toy B.the characteristic C.the machine D.the engine 37.The chemical sensors may help a robot to____ A.see B.catch C.hear D.smell 38.In how many ways can a robot power itself according to the passage? A.Two. B.Three. C.Four. D.Five. 39.The Chinese meaning of"Intelligence" in the last paragraph is__ A.能源 B.勤奋 C.智能 D.外观 40.What is the main purpose of the passage? A.To help people understand what a robot is. B.To tell what a robot can do in our life. C.To describe the movement of a robot. D.To introduce the history of robots. Ⅳ.任务型阅读 阅读下面一篇短文，判断下列句子是否符合短文内容，符合的用"A"表示，不符合的用"B" 表示。 Now， it seems that artificial intelligence（人工智能）is becoming more and more popular in our life,and it has greatly influenced the ways we live, work and play.Can you imagine that you can play table tennis with a robot one day? Recently, a scientist has invented a special robot that can be a table tennis coach. That means people can practice table tennis not only with humans but also with a robot. Named Forpheus, the smart table tennis robot is quite special. It can study the movements of human players and the speeds of the ball. In this way， it can exactly judge（判断）the players'skill levels（水平）.Then it uses the information to change the ways to play. If the players are just beginners, Forpheus will play in a slow and easy way, but if the players are better ones, the robot will play in a faster and more difficult way. What's more, while playing,it encourages players to try their best with words like "Good job!","Come on!"and so on. At the same time,it gives some good advice to improve their skills. So it is both a good partner and a clever coach. Science and technology is developing quickly these days and its hard to imagine what will happen in the future."In the next 20 years,it will be possible that one robot teaches another to play table tennis or even invents another one!"Takuoya,the inventor of the robot, said. 41. Artificial intelligence has influenced people's life in many ways. 42. Forpheus is the name of the inventor of the robot. 43.The robot can judge the skill levels of human players exactly. 44.One robot will probably teach another to play table tennis in the future. 45. The robot can encourage the human players, but it can't give advice. V.书面表达（共 20 分） 你知道火车是由谁发明的吗?火车是由英国人乔治·史蒂芬森（George Stephenson）发明的。 请根据如下提示写一篇约 80 词的短文，描述一下火车的发明以及试运行过程。 要求∶1.可适当发挥想象。2.开头已给出，不计入总词数。 提示∶do lots of experiments（试验），，steam engine（蒸汽机） I think the train is one of the greatest inventions in history.Do you know who invented it? Let me tell you something about it._________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ ____________________________________________________________________________ 答案： I.1-5DAADB 6-10ACABD 11-15ACACB II.16-20DABCC 21-25BBDCA III.26-30BDCBC 31-35CACDB 36-40CDBCA IV.41-45ABAAB V. I think the train is one of the greatest inventions in history. Do you know who invented it?Let me tell you something about it. The train was invented by George Stephenson. He was an engineer from Britain. He did lots of experiments and made the first train in 1825.A steam engine was used in his train.On the first day when the train ran,people along the way heard the noise and saw it running. They thought it was a monster. They ran back home, closed their doors and were afraid to come out. But now the train is one of the most important means of transportation in the world.