【正文】 any longer. However, thi s real ity 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 l aptop,I have been used i n offi ces and homes si nce the 1970s. These changes onl y becam e possi bl e as m y m emory im proved. First i t was stored i n tubes, then on transi stors and l ater on very sm al l chips. As a resul tI total l y changed m y shape . As I have grown ol der I have al so grown sm al er .O ver tim e m y m emoryhas 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 becam e so l arge 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 many new appl ications have ben found for m e . I have be e very im portant i n muni cati on, finance and trade I have al so been put i nto robots and used to m ake m obi l e phones as wel l as hel p with m edi cal have even been put i nto space rockets and sent to explore the Moon and Mars . A nyhow, m y goal i s to provi de humans wi th a li fe of hi gh quali ty. I am now trul y fil l ed with hapi ness that I am a devoted fri end and hel per of the human race ! AN DY—TH E AN DRO ID I’m part of an an android football team . About once a year we are alowed to get together to play a game of football. I’m as big as a hum an . In fact , I l ook li ke one too. O n the footbal team 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 example ,I have l earned to si gnal to m y team m ates i n puter l anguages to gi ve m e the bal l when I am open and have a god shot for a goal. My fi rat footbal petiti on was i n N agoya , Japan several years ago . Last year our team went to Seattl e , Washi ngton i n the USA. We won tsecong pl ace . Personal y , I thi nk the team that won fi rsy place cheated . They had devel oped a new type of program just before the peti ti on. So we need to encourage our program er to im prove our i ntel li gence too. We are determ ined 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 i f a new sitation ari ses. In thi s way I can make up new moves using my “artifical intelligence “. I would really 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 which never fets anythi ng ,usi ng m y i ntel i gence 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 hi gh fl ying exerci ses. I jum p from spaceshi p and as I fal l I turn, di ve, ci rcl e and dance until I softl y l and as cl ose as I can to the fi ni shi ng li ne. Robot peti ti 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 peti ti on es on. Last ti m 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 siver 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 explore i des about our ower ,m y programm er fel il l the wek before we were goi ng to l eave . It was very painful 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 m y speci al oil began to fteeze. I paused before I jum ped from the starti ng pl ace on a li ttl e spaceshi p but then I began m y perform ance. At the correct m oment 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 yi ng softl y to earth I began to fal faster and faster so that I could not turn , di ve, ci rcl e or heart stopped beati ng as I l anded heavil y 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 wi th two broken l egs and a fragi le head. I di d not wi n anythi ng at the O lym pi c after al l. I ned the factory to buil d m e two new l egs and an even bi gger head. Then I wil be able to pete once more . Let’s hope foe greater success in the next Olympics! Uni t 4 (1) H ow 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 killed for the wool beneath our ur fur is bei ng used to m ake 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 number of anim al s i f they pai d the farm ers. N ow the farm ers are happy and our numbers are i ncreasi ng. So good thi ngs are being done here to save local wildlife. ” Daisy smiled. “That’s good news. It shows the importance of wildlife