人教版英语九年级全册练习题：Unit 6 When was it invented8 Self Check.doc

1、Self Check.完形填空。Do you know anything about the invention of the bar code(条形码)?A small food store owner found it was _1_ to keep records of the product information.In 1948，he asked Drexel Institute of Technology to solve this _2_Bernard Silver，a graduate student，was interested.He and his friend Norma

2、n Joseph Woodland _3_ to work on it.Soon，they invented their first working system.The system did work _4_，but it was very expensive and sometimes the system didnt work well.If the invention was to become _5_ in stores，the problems had to be solved.Finally，Woodland solved _6_The patent(专利权) for the b

3、ar code system was _7_ for by Silver and Woodland in 1949，but the patent was not given until 1952._8_ this patent was given，the system was still not popular among store owners.In 1970，a business named Logicon Inc._9_ the Universal Grocery Products Identification Code(食品工业统一码)Marshs Supermarket in Tr

4、oy was the first store to _10_ this bar code reading system.It has become very popular ever since，and now its used in all types of stores all over the world.(B)1.A.easy BdifficultCinteresting Dboring(B)2.A.plan BproblemCproject Ddoubt(A)3.A.started BcontinuedCrefused Dfailed(A)4.A.at first Bfor exam

5、pleCon time Din person(D)5.A.lively BcheapCdirect Dpopular(D)6.A.it Bhim Cher Dthem(A)7.A.asked BofferedCmade Ddivided(B)8.A.Unless BAlthoughCIf DSince(C)9.A.found BmentionedCinvented Dremained(C)10.A.give up Bput upCset up Dclean up.阅读理解。It was sad for Chua Yi Xiang to see an old man with a walking

6、 stick fall on a wet road last year.Yi Xiang not only stopped to help the man up，but the matter also gave him an idea to protect the old and disabled from falling on wet surfaces.Later，Yi Xiang and his classmate invented the Ely Walking Stick，and they won first prize in a student invention challenge

7、.The walking stick was invented to vibrate(震动) to remind people when there are wet surfaces，as well as light up in dark conditions.The walking stick did well when it was tested in a hospital.The challenge，organized(组织) in Singapores Nanyang Technical University(NTU) every year since 2019，saw teams o

8、f students develop inventions to improve the life of the old and disabled.Many other students took part in the challenge.For example，to help stroke sufferers(中风患者) like her grandfather，Tang Li Yun developed a special machine with four other team members.The machine has an arm that lets stroke suffer

9、ers do arm exercise at home.Although the six months of research was very hard，she had a feeling of satisfaction when seeing her invention on show.One of the university teachers，Cheng Wee Kian，said that he felt good about his students being able to do something for people in need.“Its great to see th

10、ey are trying their best to help others，” he said.The old and disabled said such inventions would be useful to them.(C)11.Chua Yi Xiang invented the walking stick after _.Ahe won first prizeBhis grandfather had a strokeChe saw an old man fallDhe took part in a challenge(D)12.How does the walking sti

11、ck help the old?It vibrates.It moves.It calls the police.It lights up.A BC D(B)13.Tang Li Yun invented a machine because of her _.Aclassmate BgrandfatherCpatient Dteacher(D)14.Which of the following statements is TRUE according to the passage?AThe walking stick is popular now.BThe challenge is organ

12、ized twice a year.CTang Li Yun thought inventing was simple.DThese inventions can really help people.(A)15.The passage is mainly about _.Asome students who invented things to help people in needBa student who won first prize because of his inventionCsome students who took part in a challenge in a co

13、llegeDa student who worked hard to invent a new machine.任务型阅读。阅读短文，回答问题及翻译划线部分的句子。A_road_is_just_like_a_bridge_between_two_places.The Silk Road has been a bridge between the East and the West.But the Silk Road is not a single route(路线)! It is a series of trade and cultural transmission(传播) routes.Fr

14、om the time Zhang Qian opened up the worldfamous Silk Road during the Han Dynasty until the Yuan Dynasty，it enjoyed a history of about 1，600 years.This ancient road begins at Changan(now Xian)，and it reaches Dunhuang，where it divides into threethe Southern Route，the Central Route and the Northern Ro

15、ute.And then it ends in Eastern Europe，near the Mediterranean Sea(地中海)The Silk Road is about 6，500 kilometers long.It goes across onefourth of the planet.丝绸之路对中国和世界都非常重要。Besides trade，knowledge about science，arts and technologies were shared across the Silk Road.The Four Great Inventions of China we

16、re introduced to the West and Chinese also knew about the religions of the West.16Is the Silk Road just a single route?No，it_isnt.17When was the Silk Road opened up?During_the_Han_Dynasty.18Where does the Silk Road end?It_ends_in_Eastern_Europe，near_the_Mediterranean_Sea.19将划线译成汉语。一条路就像两个地方之间的一座桥。20

17、将划线译成英语。The_Silk_Road_was_very_important_to_both_China_and_the_world.短文填空。阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式。Since computers were invented in the US _21_ the 1950s，they have _22_(became) very important in many areas of work and leisure(休闲)There is no doubt that computers are very _23_(use) in techn

18、ology and business.In space，computers have been used to control the speed and _24_(direct) of a spaceship.With _25_ help of computers，doctors can find diseases(疾病) _26_(easy) and solve other problems.For example，tiny computers inside the _27_(patient) bodies can keep their hearts beating normally.In

19、 factories，robots are _28_(control) by computers.They can do _29_(danger) work.In business，computers are used to place and cancel orders(取消订单)They are also making the workplace safer _30_ better.21in22.become23.useful24.directions25the26.easily27.patients28.controlled29dangerous30.and.短文改错。假定英语课上老师要

20、求同桌之间交换修改作文，请你修改同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加或一个单词的删除，其他错误为单词的修改。增加：在缺词处加一个漏字符号，并在其下面写出增加的词。删除：把多余的词用(划掉。修改：在错的词下画一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2只允许修改10处。Hi，everyone.As we all know，many great invention,inventions have brought great changes to our life.I think we students can also

21、invent something.Today Im glad to be here to talk with,about what Id like to inventa chair thats good for students healthy,health.It will be make,made of wood.There will be second,two sensors in itone on the seat，and ,the other on the back of the chair.When the student doesnt sit straight，the chair will remind his,him.If he sits on the chair for over one hour，it will make a noisy,noise.It will,wont stop until the student stands up and leaves.Thats theall.Thank you！