【正文】 any longer. However, thi s reali ty al so worri ed m y desi gners. As ti m e went by,I was made sm al l er . Fi rst as a PC(personal puter)and then as a laptop, I have been used in ofi ces and hom es si nce the 1970s. These changes onl y becam e possi bl e as m y m em ory im proved. Fi rst it was stored i n tubes,then on transi stors and later on very smal chi ps. As a resul tI total y changed m y shape . As I have grown ol der I have al so grown sm al l er .O ver tim e m y m em oryhas devel oped so m uch that ,l i ke an el ephant, I never frt anythi ng I have been tol d !And my 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 m e 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 appl ications have been found for m e . I have be e very im portant i n m unicati on, fi nance and trade I have also been put i nto robots and used to m ake m obi l e phones as wel as hel p wi th m edi cal operati ons. I have even ben put i nto space rockets and sent to expl ore the Moon and Mars . A nyhow, m y goal i s to provi de hum ans wi th a l ife of hi gh quali ty. I am now trul y fi l 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 footbal. I’m as bi g as a hum an . In fact , I l ook li ke one n 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 exam pl e ,I have l earned to signal to my teamm ates i n puter l anguages to gi ve m e the bal l when I am open and have a good shot for a goal . My firat footbal l peti ti on was i n 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 peti ti on. So we need to encourage our programer to i mprove our i ntel i gence are determ i ned to create an even beter system. In a way our programm et is l i ke our coach. She program s us with m oves to use i f 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, with the hel p of m y el ectroni c brai n whi ch never fets anythi ng ,usi ng m y inteligence is what I’m al about! TH E SPO RTIN G RO BO T My nam e i s H ua Fei and I am a sporti ng robot of the 23rd century. I am an expert at high fl ying exercises. I jum p from spaceshi p and as I fal I turn, di ve, ci rcl e and dance until I softl y land as cl ose as I can to the fini shi ng li ne. Robot petiti ons i n the 23rd century are trul y a popul ar sport. Fans from al over Chi na watch thei r handhel d TVs when a petiti on es on. Last tim e I l ook part i n the 78th Ol ym pic on a fl yi ng i sl and above Brussel s i n the sky. I won the si ver m edal for m y performance . Thi s year I had the honour to be chosen agai n . I wanted to mm et robots from other countyi es and expl ore i des about our ower ,m y programm er fel l il l the week before we were goi ng to l eave . It was very pai nful for her and I fel t very fri ghtened. I no l onger fel t so confi dent that I woul d wi n. The day of the peti ti on was rather coul d for m y l egs and my speci al oil began to fteeze. I paused before I jum ped from the starti ng pl ace on a l ittle spaceship but then I began m y performance. At the corect m om ent I tri ed to open m y parachute but there was a probl em . It onl y opened a l i tl e .In stead of fl ying softly to earth I began to fal faster and faster so that I coul d not turn , di ve,ci rcl e or dance. My heart stopped beati ng as I l anded heavi ly on a m ountai n covered wi th snow. Thi s i s why I am wri ti ng to you from m y hospi tal bed with two broken legs and a fragil e head. I di d not wi n anythi ng at the Ol ympi 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! Uni t 4 (1) How Daisy l earned to hel p wil dli fe Dai sy had al ways longed to hel p endangered speci es of wil dli fe. O 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 kiled for the wool beneath our stomachs. Our 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 some wildlife protection.” The fl yi ng carpet travel ed so fast that next mi nute they were i n Zim babwe. Dai sy turned around and found that she was being watched by an elephant. “H ave you e to take my photo?”it asked. In relief Daisy burst into laughter.“Don’t laugh,”said the elephant,“We used to be an endangered species. Farmers hunted us without mercy. They said we destroyed their farms, and m oney from touri sts onl y went to the l arge tour pani es. So the governm ent deci ded to hel p. They al owed tourists to hunt onl y a certai n num ber of anim al s i f they pai d the farm ow the farm ers are happy and our num bers are i ncreasi ng. So good things are being done here to save local wildlife.” Daisy smiled. “That’s good shows the importance of wildlife protection,but I’d