【導(dǎo)讀】anylonger.However,thisrealityalsoworriedmydesigners.Astimewentby,Iwasmadesmaller.FirstasaPC(personalputer)andthenasalaptop,Ihavebenusedinofficesandhomessincethe1970s.Thesechangesonlybecameposibleasmymemoryimproved.Firstitwasstoredintubes,thenontransistorsandlateronverysmalchips.AsaresultItotallychangedmyshape.AsIhavegrownolderIhavealsogrownsmaler.Overtimemymemoryhasdevelopedsomuchthat,likeanelepha

　　

【正文】 the others but al so cl im b trees. They l earned thi s from the way the bones were joi ned together. Di nosaurs di ed out suddenl y about 65mi l i on years ago. Som e scientists thi nk i t cam e after an unexpected i nci dent when a huge rock from space hit the earth and put too m uch dust i nto the ai thers thi nk the earth got too hot for the di nosaurs to li ve on any m ore. Nobody knows for sure why and how di nosaur di sappeared from the earth i n such a short tim e. We know many other wi l d pl ants, ani m al s, i nsects and bi rds any longer. However, thi s reali ty al so worri ed m y desi gners. As ti m e went by, I was m ade sm al ler . First as a PC(personal puter)and then as a l aptop, I have ben used i n offi ces and hom es since the 1970s. These changes onl y becam e posi bl e as m y m em ory im proved. Fi rst i t was stored i n tubes, then on transi stors and l ater on very sm al chi ps. As a resultI total l y changed m y shape . As I have grown ol der I have al so grown smal er .O ver tim e my m em oryhas devel oped so m uch that , li ke an el ephant, I never frt anythi ng I have been tol d !And m y m em ory became so large that even I couldn’t believe it!But I was always so lonely standing there by myself,until in the 1960s they gave me a fami l y connected by a work .Iwas abl e to share m y knowl edge wi th others through the Worl d Wi de Web. Si nce the 1970s m any new appli cati ons have been found for m e . I have be e very im portant i n m uni cati on, fi nance and trade I have al so been put into robots and used to m ake m obil e phones as wel as hel p wi th m edi cal operati ons. I have even been put i nto space rockets and sent to expl ore the Moon and Mars . A nyhow, my goal i s to provi de hum ans wi th a l i fe of hi gh quali am now trul y fil ed wi th happi ness that I am a devoted fri end and hel per of the hum an race ! AN DY—TH E AN DRO ID I’m part of an an android football team . About once a year we are allowed to get together to play a game of football. I’m as big as a human . In fact ,I look like one the footballteam I’m a striker so I have to be able to run very fast .My puter chips help me to mova and think like a human . For exampl e , I have l earned to si gnal to m y teamm ates in puter l anguages to gi ve me the bal l when I am open and have a good shot for a goal. My fi rat footbal l peti ti on was in N agoya , Japan several years ago . Last year our team went to Seattl e , Washi ngton i n the won tsecong pl ace .Personal y , I thi nk the team that won fi rsy pl ace cheated . They had devel oped a new type of program just before the petiti on. So we need to encourage our program er to im prove our i ntel li gence too. We are determi ned to create an even better system. In a way our program m et i s li ke our coach. She program s us wi th m oves to use if a new si tati on ari ses. In this way I can make up new moves using my “artifical inteligence “. I would realy like to play against a human team,for I have been programm ed to act just li ke them. After al l, wi th the help of m y el ectronic brai n whi ch never fets anythi ng , usi ng my i ntel ligence is what I’m all about! TH E SPO RTIN G RO BO T My nam e i s H ua Fei and I am a sporting robot of the 23rd am an expert at hi gh fl yi ng exerci ses. I jum p from spaceshi p and as I fal I turn, di ve,ci rcl e and dance unti l I softl y l and as cl ose as I can to the fi ni shing l i ne. Robot peti ti ons i n the 23rd century are trul y a popular sport. Fans from al over Chi na watch thei r handhel d TVs when a peti tion es on. Last ti me I l ook part i n the 78th O l ym pi c on a flyi ng isl and above Brussels i n the sky. I won the si ver m edal for m y perform ance . This year I had the honour to be chosen agai n . I wanted to m m et robots from other countyi es and expl ore i des about our ower ,m y programm er fel i l the week before we were goi ng to l eave . It was very pai nful for her and I fel t very frightened. I no l onger fel t so confi dent that I woul d win. The day of the peti ti on was rather coul d for m y l egs and m y speci al oil began to fteeze. I paused before I jumped from the starti ng pl ace on a l i ttl e spaceshi p but then I began m y perform ance. At the correct m om ent I tri ed to open m y parachute but there was a probl em .It onl y opened a l ittle . In stead of fl yi ng softl y to earth I began to fal l faster and faster so that I coul d not turn , di ve, circl e or dance. My heart stopped beating as I l anded heavil y on a mountai n covered wi th snow. Thi s i s why I am wri ti ng to you from my hospi tal bed with two broken l egs and a fragil e head. I di d not wi n anythi ng at the Ol ym pi c after al l. I need the factory to buil d m e two new l egs and an even bigger head. Then I will be able to pete once more . Let’s hope foe greater success in the next Olympics! Unit 4 (1) H ow Dai sy learned to hel p wil dli fe Dai sy had al ways l onged to hel p endangered speci es of wi l dl ne day she woke up and found a fl yi ng carpet by her bed. “Where do you want to go?”it asked. Daiasy responded immediately. “I’d like to see some endangered wildlife,”she said. “please take me to a distant land where I can find the animal that gave fur to make this sweater. ”At once the carpet flew away and took her to Tibet. There Daisy saw an antelope looking sad. It said,“We are being killed for the wool beneath our stom fur is being used to make sweaters for people like you . As a reasult,we are now an endangered species.”At that Daisy cried,“I’m sorry I didn’t know that. I wonder what is being done to help you. Flying carpet,please show me a place where there’s som e wildlife protection. ” The fl yi ng carpet travel l ed so fast that next mi nute they were i n Zim babwe. Dai sy turned around and found that she was bei ng watched by an elephant. “H ave you e to take my photo?”it asked. In relief Daisy burst into laug