人教版高中英语必修2 Unit 3 Computers period 2 同步练习含答案 精品.docx

1、人教版高中英语必修2 Unit 3 Computers period 2 同步练习含答案 精品一.单句改错(每小题仅有1处错误)1With time went by，the weather got colder. 2It wont be long when he returns from abroad. 3His carelessness resulted from the terrible accident. 4You may not agree，but personal she is a very good girl. 5Our school is very large.In a tota

2、l，the number of the students is 3，500. 6The Great Wall is such wellknown a tourist attraction that millions of people pour in every year. 二.阅读理解Computer technology is still developing rapidly.The computer of the future will continue to increase in value and performance while decreasing in cost.It wi

3、ll become smaller，but faster and more powerful.It is possible to make some guesses about what the future of the computer will look like，based upon the types of technologies that are being developed now.A lot of progress has already been made in some of these new technologies，but some are still in th

4、eir earliest stages and may not be ready for use for years.Two of the most interesting areas of computing that are currently being developed are quantum computing (量子计算) and nanotechnology (纳米技术)Quantum computing is one possibility for the future of the computer that could make computers run far fas

5、ter than even the quickest computers do today.Quantum computers could be able to do what modern supercomputers are unable to do by using transistors that are able to take on many states at the same time.Nanotechnology could also change the face of computing，by creating computers that could be very p

6、owerful，though they are tiny in size.These computers could be incorporated (并入) into everyday objects，including electrical appliances (电器)，clothes and even the human body.We will be able to use computers in new and unimaginable ways.They will become a part of our lives rather than simply being a box

7、 that is used only for specific purposes，such as work.Quantum computing and nanotechnology will be able to play new roles，which will make us live greener lives，as well as enjoy better health and happier lives.1According to the text，quantum computing _Ahas been put in use so farBcan make computers ru

8、n by themselvesCcan reduce the cost of computersDwill work by using transistors2We can learn from the text that nanotechnology will _Acreate much smaller computersBbe used in electrical appliances and clothingCchange the structure of computersDmake computers just serve specific purposes3The text is

9、mainly about _Awhat nanotechnology isBwhat quantum computing isCwhat the future of the computer isDwhat future computers can bring us4Which of the following best shows the structure of the passage？(Paragraph 1，Paragraph 2，.Paragraph 5)三.完形填空Young men often give flowers to young women when they are i

10、n love.This _1_ may have come from Turkey.In the 1700s in Turkey，it was quite _2_ for people in love to send each other baskets full of strange _3_The baskets were sent _4_ to the person who was receiving it.Usually，an old woman who sold flowers or fruit on the street _5_ the basket beside the perso

11、ns door.These baskets included a variety of “gifts”：flowers，stones，feathers，wax，and even charcoal(木炭)Each thing in the basket had a _6_ meaning.By _7_ the secret message contained in each item，the person who _8_ the basket began to understand little by little what the sender really _9_This idea of s

12、ending gifts of love with secret meanings quickly _10_ to Germany，France，and England._11_，as time passed，only flowers _12_ popular.A bunch of flowers told young ladies about the _13_ in the hearts of young men.Each different flower held a different meaning._14_，the flowers from an orange tree meant，

13、“You are beautiful and pure.” Pink carnations (康乃馨)meant，“My love for you is strong and great.” Yellow roses，on_15_ hand，meant，“I saw you with someone else.” So a person had to be _16_ about the flowers they chose to send.By the 1880s，using flowers to send messages _17_ out of fashion，and _18_，the m

14、ore direct way of sending love began.Today，flowers are still _19_ as a lovely gift，but the meaning for each kind of flower is somewhat _20_1Astory BtraditionCsaying Dhobby2A.interesting BcrazyCstrange Dpopular3A.things BflowersCletters Dtoys4A.carefully BquicklyCsecretly Dhonestly5A.took Bleft Chid

15、Dmade6A.difficult BcorrectCpositive Dspecial7A.finding out Bpassing onCasking for Dtalking about8A.sold BfilledCreceived Dchose9A.said Bmeant Chad Dbought10A.responded BledCturned Dwent11A.However BInsteadCTherefore DBesides12A.sounded BprovedCremained Dseemed13A.plans Bfeelings Cdreams Dgifts14A.As usual BIn factCFor example DAt first15A.the other BotherCanother Done16A.right BcarefulCworried Dmeaningful17A.felt Bhad feltChad fallen Dhas fallen18A.cards BemailsCphones D