【正文】 which have at t imes been sighted are si mply st range fi sh. Occasi onal y, unusual cr eatur es ar e washed t o t he shore, but t hey are r arely caught out at sea. Some ti me ago, however, a pecul iar f i sh was caught ne any l owever, this reali ty al so worri ed m y desi gners. As ti me went by, I was m ade sm al l er . First 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 my m em ory im proved. Fi rst i t was stored i n tubes,then on transistors and l ater on very sm al l chi ps. As a resul tI total ly changed m y shape . As I have grown ol der I have al so grown sm al er .O ver ti m e m y 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 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 family connected by a work . Iwas abl e to share m y knowl edge wi th others through the Worl d Wi de Web. Since the 1970s m any new appli cati ons have been found for m e . I have be e very i m portant i n m uni cati on,fi nance and trade I have al so ben put i nto 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 into 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 li fe 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 football. I’m as big as a human . In fact ,I look like one too. On the footbalteam I’m a stri ker so I have to be able to run very fast . My puter chi ps hel p m e to m ova and thi nk l i ke a hum an . For exampl e , I have l earned to si gnal to m y teamm ates i n puter l anguages to gi ve m e the bal when I am open and have a good shot for a goal . My fi rat footbal 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 USA. We won tsecong place . Personal l y , I thi nk the team that won fi rsy pl ace cheated . They had developed 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 determi ned to create an even better system. In a way our programm et i s li ke our coach. She program s us wi th m oves to use i f a new si tati on 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 program m ed to act just l i ke them. After al, wi th the hel p of my el ectroni c brai n whi ch never fets anythi ng , usi ng my i ntel li gence i s 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 sporti ng robot of the 23rd century. I am an expert at hi gh flyi ng exerci ses. I jum p from spaceshi p and as I fal l I turn, di ve, circl e and dance unti l I softl y l and as cl ose as I can to the fi nishi ng l i ne. Robot peti tions i n the 23rd century are trul y a popul ar sport. Fans from al l 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 fl yi ng i sl and above Brusel s in the sky. I won the si ver m edal for m y perform ance . 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 going 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 m y speci al oi l began to fteeze. I paused before I jum ped from the starti ng pl ace on a l i ttl e spaceshi p but then I began m y perform ance. At the corect m om ent I tried to open m y parachute but there was a probl em. It onl y opened a li ttl e . 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, ci rcl e or dance. My heart stopped beating 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! Unit 4 (1) H ow Dai sy l earned to hel p wi l dl i fe Dai sy had al ways l onged to hel p endangered species of wil dl i ne day she woke up and found a flyi 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 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 wildli fe protection. ” The flyi ng carpet travel l ed so fast that next m inute 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 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 on