Unit 8 Ive had this bike for three years.I. 单项选择。1Have you locked the windows _? YesI have _ locked them Aalready：already Byet；yet Cyet；already Dalready；yet2I have bought a nice dress Where _ you _ it? Ahave；bought Bdid；buy Cwill；buy Ddo；buy3Wang Lin says the purpose of staying in the United States is _ more chances _ English from Americans Ato get；to learn Bgetting；to learn Cgetting；in Dto get；getting4My friend，Darren，is coming to visit us. Im looking forward _ him Ameet Bmeeting Cto meet Dto meeting5The radio is too noisy and there is nothing interesting on itWhy dont you _? All rightIll do that Aturn it on Bturn it off Cturn it back Dturn it up6When did you start your math homework? One hour ago，but I _ it yet Adidnt finish Bfinished Chave finished Dhavent finished7_ wasnt easy to win the match AIt BThat CThis DOne8How long have you _ the book? For three days Aborrowed Bkept Clent Dbought9She is one of _ singersI like her very much Afamous Bthe most famous Cmore famous Dmost famous10I think the question is _ difficult to answer Amost Bmany Ca lot Da bit11Mary is an _ girlShe lives with her grandmother A8-years-old B8-year-old C8-years old D8 years old12He used to _ up early，and now he gets used to _ up early Aget；getting Bget；get Cgetting；get Dgetting；getting13According _ Mr. Wang，well go on a trip this weekend Ain Bto Cat Dfor14The basketball _ I bought yesterday cost me 80 yuan Awhen Bthat Cwho Dwhat15Look! Shes standing _ the ten children Aamong Bbetween Cof DfromII. 完形填空。 In a small town in France，there was a farmer who lived aloneEvery day，he 1 a pound of butter to his neighbour，who was a bakerOne day the baker decided 2 the butter to see if he was getting a poundAfter he weighed(称的重量) it，he found that he wasntThe baker then took 3 farmer to the judge(法官) The judge asked the farmer if he had any way to weigh the butterThe farmer answered，“I am so 4 that I do not have enough money to buy anything to weigh it， 5 I do have a kind of scale(天平).” The judge asked，“Then how do you weigh the butter?”The farmer answered，“Before the baker started buying butter from 6 ，I had bought bread from himSo every time when I bring home the bread from the baker，I put it on the scale and give him the butter of the same weight.” We 7 what we give to others in lifeWhenever you take action，ask yourself this 8 “Am I honest?” Honesty or dishonesty can become a 9 Some dishonest people can lie(说谎) without a red faceOthers lie so much that they do not even 10 what the truth is any moreBut who is it bad for? As a matter of fact，those who lie will hurt themselves by their own dishonest behaviour(行为，举止)1A. gave Bfed Cthrew Dsold2Aweigh Bweighing Cto weigh Dweighed3A Ba C. an Dthe4Arich Bpoor C. honest Dquiet5Aand Bso Cbut Dor6AI Bmy Cme Dmine7Aget back Blook back Cgive back Dturn back8Aanswer Bquestion Chelp Didea9Adifference Bhabit Cmistake Ddifficulty10Astudy Bmean Cimagine DknowIII. 阅读理解。ALeonardo da Vinci was born on April 15，1452 in ItalyHe is best known as an artist todayOne of his famous paintings is called Mona LisaHowever，Leonardo had many other natural abilitiesHe was also a great inventorMany of his inventions have become important in modern day life Although Leonardo hated war，he invented many different machines used for warHis most special invention was the machine gun，which was produced and used in war many years later By watching the way birds fly，Leonardo tried to find out the secret of flyingAmong his sketches(素描) we can see several objectsWe consider them as modern flying machines Leonardo spent many hours thinking about how to make good use of timeHe developed ideas for labor-saving machines like cutting machines Leonardo was a strange manHe didnt eat any meat，which was unusual in those timesHe never published(发表) his ideas and scientific discoveriesHe usually used mirror writing，which looks like writing in a mirror，starting from the right side of the page and moving to the left We have very little of his work todayLeonardo finished only a few of his paintingsHe left many unfinished because he thought they were not perfectNo one in his life time knew how great Leonardo wasWe now believe，however，that he w