高级英语第一册课后练习题答案课以后.docxVIP

Lesso?n7 The Age of Mirac?le Chips?I . 　 1)It looks? like a styli?zed Navah?o rug or the aeria?l view of a railr?oad switc?hing yard. It is made mostl?y of silic?on.　 2)The compu?ter of 25 years? ago was as large? as a room. The mirac?le chip of today? is small?, cheap?, easy to mass produ?ce, fast, infin?itely? versa?tile and conve?nient?. 　 3)At 7:30 a. m. , when the alarm? :lock burrs?, the bedro?om curta?ins swing? silen?tly apart?, the venet?ian blind?s snap up and the therm?ostat? boost?s the heat to a cozy 70~. The perco?lator? in the kitch?en start?s burbl?ing; the back door opens? to let out the dog. The TV set blink?s on with the days first? newsc?ast. After? the news on TV comes? the morni?ng mail, from corre?spond?ents who have dicta?ted their? messa?ges into the compu?ter netwo?rk. Mr. A. , still? in bed, then press?es a butto?n on a bedsi?de box and issue?s a strin?g of busin?ess and perso?nal memos?, which? appea?r insta?ntly on the genie? scree?n. After? his showe?r, which? has turne?d itsel?f on at exact?ly the right? tempe?ratur?e at the right? minut?e, Mr. A. is alert?ed by a buzze?r and a blue light? on the scree?n. His boss is on his way to the offic?e. Mr. A. dress?es and goes out to the car, the engin?e of which? is runni?ng. 　 After? her husba?nd has kisse?d her goodb?ye, Mrs. A. uses the compu?ter to do shopp?ing for tonig?ht s dinne?r party?. Then she order?s from the memor?y bank her favor?ite recip?es, tells? the machi?ne to compu?te the ingre?dient?s for six servi?ngs, and direc?ts the ovens? to reach? the corre?ct tempe?ratur?e for each dish accor?ding to the recip?e, start?ing at 7:15 p.m. She then joins? a telev?ised discu?ssion? of art. Later? she wande?rs into the compu?ter room where? she has just learn?ed from his heads?et that his drill? in Latin? verb conju?gatio?n was very good. 　 4)Home infor?matio?n manag?ement? syste?ms will take over memo pads, noteb?ooks, files?, bills? and the kitch?en bulle?tin board?. And house?wives?