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¡¡¡¡Ó¢Óï·­Ò븴ϰºÃÁË£¬²»½öÄÜÔÚ·­ÒëÌâÉÏÈ¡µÃÂú·Ö£¬»¹ÄܶÁ¶®ÔĶÁµÄÄǼ¸ÆªÎÄÕ·½±ã½âÌâ¡£¿É¼û£¬¿¼Éú¾ß±¸Ó¢Ò뺺µÄÄÜÁ¦ÊǶàôÖØÒª¡£ÏÂÃæÊÇ´óѧӢÓï3¿ÎÎÄ·­Òë´ð°¸£¬»¶Ó­²Î¿¼ÔĶÁ£¡

¡¡¡¡Unit1

¡¡¡¡1º¦Ðß»á´Ó¸Ð¾õÇá΢µÄ²»Êʵ½¸ß¶ÈµÄ½¹ÂÇ£¬Ó°ÏìÎÒÃÇËù×öµÄÒ»ÇÐ

¡¡¡¡Shyness can vary from feeling mild discomfort to high levels of anxiety that impact us in almost everything we do.

¡¡¡¡2¾¡¹ÜËûºÜ¹ÌÖ´£¬ËûÐÄÀïÃ÷°××Ô¼ºÓ¦¸Ã±ÜÃâÒýÆðÈκλ³ÒÉ).

¡¡¡¡Despite his stubbornness, he knew in his heart that he should avoid arousing any suspicions 3(ÎÞÂÛÄã˵ʲô£¬¶¼»á±»Àí½â³ÉÅúÆÀ£¬).

¡¡¡¡It will be interpreted as criticism no matter what you say .

¡¡¡¡4 ÈÃÎÒÃDz»ÒªÎªÎÒÃÇÓ¦¸ÃºöÂÔºÍÍü¼ÇµÄСÊÂÇé·³ÐÄ

¡¡¡¡Let¡¯s not allow ourselves to be upset by trifles (which) we should ignore and forget.

¡¡¡¡5 (»¨Ì«¶àµÄʱ¼äÀÏÊÇÏë׏ýÈ¥»á×è°­ÏíÊÜż¶ûµÄÉú»î)

¡¡¡¡Too much time spent dwelling on the past can get in the way of enjoying life as it happens.

¡¡¡¡6 (ÏàÐÅ×Ô¼ºÄܹ»Íê³ÉÄ¿±ê²¢½â¾öÎÊÌâµÄÈ˸üÓпÉÄÜÔÚѧУ×öµÃºÜºÃ)

¡¡¡¡People who believe they can accomplish goals and solve problems are more likely to do well in school.

¡¡¡¡Unit 2

¡¡¡¡1) Ëý´©ÁËÒ»¼þÓÐõ¹åͼ°¸µÄÒ·þ¡£

¡¡¡¡She wore a dress with a pattern of roses on it.

¡¡¡¡2) º£Â×ΪÎÒÃÇ×¼±¸ÁËÒ»¶Ù·áÊ¢µÄ·¹²Ë¡£

¡¡¡¡Helen had prepared a wonderful meal for us

¡¡¡¡3) °²ÐÅÊĵ©µ©µØ±£Ö¤Ëý½«ÓÀÔ¶²»Ëµ¡£

¡¡¡¡Ann promised faithfully that she would never tell.

¡¡¡¡4) ÄãÄÜ°ÑÕâ·âÐÅË͵½»á¼Æ²¿Ã´£¿

¡¡¡¡Could you deliver this letter to the accounts department?

¡¡¡¡5) ÓÐÈ˸øÎÒÃǾ«Ñ¡µÄÅ£ÄÌÇÉ¿ËÁ¦ºÍ´¿ÇÉ¿ËÁ¦¡£

¡¡¡¡We were offered a selection of milk and plain chocolate.

¡¡¡¡6) ¸æËߺ¢×ÓÃDZðºúÄÖ¡£

¡¡¡¡Tell the children to behave themselves.

¡¡¡¡7) ÎÒÃÇÄÜÌýµ½Ô¶´¦´òÀ×µÄÉùÒô¡£

¡¡¡¡We could hear the sound of distant thunder.

¡¡¡¡8) ÕâÏ³ÌÒѵõ½Õþ¸®µÄÅú×¼¡£

¡¡¡¡The project has now received approval from the government.

¡¡¡¡9)ËäÈ»ÕÉ·òºÈ¾ÆÌ«¶à£¬µ«¿­ÀöÒÀÈ»°®×ÅËý¡£

¡¡¡¡Kelly loved her husband in spite of the fact that he drank too much.

¡¡¡¡10)ר¼ÒÃÇËƺõ²»ÄܾÍÕâ¸öÒ©ÊÇ·ñ°²È«È¡µÃÒ»ÖÂÒâ¼û¡£

¡¡¡¡Experts seem unable to agree whether the drug is safe or not.

¡¡¡¡Uint 3

¡¡¡¡1) ÓÉÓÚ½ô¼±Çé¿ö£¬ÕâλҽÉú¼¸¸öСʱÄÚ¶¼ÊÇûÓпա£

¡¡¡¡Because of an emergency, the doctor will not be available for several hours.

¡¡¡¡2) Ë°ÊÕ½«»áÈçºÎÓ°ÏìµÍÊÕÈëµÄÈËȺ£¿

¡¡¡¡How will taxes affect people with low income?

¡¡¡¡3) ÎÒĸÇ××ÜÊǸæËßÎÒ£¬´Ó³¤Ô¶À´¿´ÎÒ»áºÜ¸ßÐËÎÒûÓзÅÆúÁ·¸Ö

¡¡¡¡Ð±à´óѧӢÓï·­Òë´ð°¸

¡¡¡¡ÇÙ¡£ My mother always told me that in the long run I would be glad I didn¡¯t give up practicing the piano.

¡¡¡¡4) ÕâЩÊéµÄ¼Û¸ñ´Ó10ÃÀÔªµ½20ÃÀÔª²»µÈ¡£

¡¡¡¡These books range in price form $10 to $20.

¡¡¡¡5) ÔÚÎÒ¿´À´ÄãûÓÐʲôѡÔñ¡£

¡¡¡¡It seems to me that you don¡¯t have much choice.

¡¡¡¡6) ¿¼Âǵ½ËûÃÇȱ·¦¾­Ñ飬Õ⹤×÷ËûÃÇÒѾ­×öµÃÏ൱²»´íÁË¡£

¡¡¡¡Given their inexperience, they have done quite a good job.

¡¡¡¡7) ¶ÔÕâôһ¶°´ó·¿×ÓÀ´ËµÕâ¼Û¸ñÏ൱±ãÒË£¬µ«ÄãµÃ¿¼ÂÇάÐÞËùÐèµÄÇ®¡£

¡¡¡¡For such a big house the price is fairly cheap, but you¡¯ve got to take into consideration the money you will spend on repairs.

¡¡¡¡8) ÎÒÃÇÄÜ·ñ´ÓÌÖÂÛÉϴλáÒé²úÉúµÄÎÊÌ⿪ʼ£¿

¡¡¡¡Can we begin with discussing questions arising from the last meeting?

¡¡¡¡Unit 4

¡¡¡¡1. ÎÒ¹ýȥϲ»¶ÉãÓ°£¬µ«ÊÇÎÒÏÖÔÚ´ÓÊÂÈκÎÒµÓà°®ºÃ I used to enjoy photography, but I now have no time to pursue any hobbies.

¡¡¡¡2. ûÓÐÒ»ÖÖ¿ÉÈ·Ðŵķ½Ê½À´Ô¤²âË­½«Ïø´­£¬Ë­²»»á

¡¡¡¡There is no sure way to predict who will develop asthma and who won¡¯t.

¡¡¡¡3. £¨Èç½ñÉñ¾­ÉúÎïѧ¼Ò²»ÔÙÕùÂÛ´óÄÔÊÇ·ñÄÜÉú³ÉÐÂϸ°û£© Today neurobiologists no longer argue about whether or not the brain can grow new cells.

¡¡¡¡4. £¨ÎÒ²»ÏñÒÔÇ°ÄÇÑùÈÈ°®±íÑÝ£©

¡¡¡¡I don¡¯t love acting as much as I once did, said Angelina Jolie.

¡¡¡¡5.If you don¡¯t define your goal ,you don¡¯t know in which direction you should be heading.£¨Èç¹ûÄ㲻ȷ¶¨ÄãµÄÄ¿±ê£¬Äã²»ÖªµÀÄãÓ¦¸ÃÏòÄĸö·½ÏòÇ°½ø£©

¡¡¡¡6. £¨µ±Äã²»Ó¦¸ÃϸÏëÄãµÄ¹ýȥʱ£¬»¨Ð©Ê±¼ä»Ø¹ËºÍ˼¿¼Äã×ß¹ýµÄ·£©

¡¡¡¡While you should not dwell on your past ,taking the time to review and reflect on the path you hav-e taken will help you plan for the future.

¡¡¡¡7.£¨Äã¿ÉÒÔ°®Ò»¸öÈ˵«²»Ò»¶¨Òª¼Þ¸øËû¡££©You may love someone but not necessarily have to marry him.

¡¡¡¡8.£¨ÕâЩÀý×ÓÖ¤Ã÷ÓÐЩѧÉúµÄ¼òÀúдµÃ¶àô²î£©These examples demonstrate how poorly some students write their resumes.

¡¡¡¡Unit 5

¡¡¡¡1.ÎÒÈ·ÐÅËýµÄ²¡±»Òý·¢£¬²¿·Öͨ¹ýÕâЩ·³ÄÕÒý·¢

¡¡¡¡I¡®m sure her illness was brought on partly by the worry of all that was happening.

¡¡¡¡2. £¨Ë­ÊÇËûÕæÕýµÄÅóÓÑ£¬ÔÚÀ§ÄÑʱ¿ÉÒÀ¿¿£©

¡¡¡¡In time he will see who is his true friend to be relied on in difficulty¡£

¡¡¡¡3. £¨ÄÇλ¿Æѧ¼ÒµÄʵÑéʹһÖÖÐÂÒ©ÎÊÊÀ£¬Ò»ÖÖ¶Ô¸ßѪѹ¸üºÃÖÎÁƵÄÒ©£©

¡¡¡¡That scientist¡¯s experiment gave birth to a new drug£¬ a better cure for high blood pressure.

¡¡¡¡4. ËûÏ°¹ßÔÚÕâ·¿¼äÀïµÄ¶¬Ì죬±»ËĶÂǽºÍÒ»¸öÇãбµÄÌ컨°åÀ§ÔÚÀïÃæ

¡¡¡¡He got used to being in this room during the winter, shut in by the four walls and a sloping ceiling.

¡¡¡¡5. (ÎÒÒâʶµ½ÎÒÒ»Óлú»á¾ÍÒªÈÃËûÃÇÏàÐÅÎÒÊÇÒ»¸ö¾¯²ì¶ø²»ÊÇÒ»¸öÕþÖμÒ)

¡¡¡¡I realized I would need to convince them at the first opportunity that I was a policeman not a politician.

¡¡¡¡6. µ±ÄãÇå³ýÒ»¸ö¾ÉµÄÉç»áʱÄã²»ÄÜÒ»Ò¹Ö®¼ä¸Ä±äÄã˼ÏëµÄ»ú¹¹ÒѾ­½¨Á¢ÆðÀ´µÄÊÀ¼Í¡£

¡¡¡¡When you sweep away an old society, you can¡¯t overnight change you the institutions of thought that have been built up over centuries.

¡¡¡¡7. £¨ÔÚ±¾ÊÀ¼ÍÁÙ½ü½áÊøʱ£¬ÔÚ¾ø´ó¶àÊý·¢Õ¹Öйú¼ÒÁíÍâ¶þÊ®ÒÚÈ˽«³öÊÀ

¡¡¡¡By the close of this century, another two billion people will be born, the great majority in developing countries.

¡¡¡¡8. Èç¹ûÄã¿ÊÍû×Ô¼º£¬ ×Ô¼ºµÄ¼Ò£¬×Ô¼ºµÄ¹ú¼ÒÓиüºÃµÄδÀ´£¬ÔÚÕâ¶ù¼ÌÐøÄãµÄÑо¿

¡¡¡¡If you long for a better future for yourself , your family and your country, stay and continue your studies here.

¡¡¡¡Uint 6

¡¡¡¡1.Èç¹ûÒªÎÒÑ¡ÔñÒ»¸ö·½°¸µÄ»°£¬ÎÒ½«ºÁ²»ÓÌÔ¥µØÖ§³ÖºóÕß

¡¡¡¡Uint 7

¡¡¡¡1) ÎÒûÁÏÏëµ½ÉÏÑÝÒ»¸ö¾ç±¾ÐèÒªÕâô¶àµÄ¹¤×÷¡£

¡¡¡¡I didn¡¯t realize putting on a play involved so much work.

¡¡¡¡2) ×îÖØÒªµÄ²»ÊÇÄã˵µÄ£¬¶øÊÇÄã×öµÄ¡£( not that but that )

¡¡¡¡The most important thing is not what you say but what you do.

¡¡¡¡3£©ÔÚÕâÑùµÄÇé¿öÏ£¬Õâ¸ö½á¹ûÊÇËùÄÜÆÚ´ýµÄ×îºÃµÄ¡£

¡¡¡¡This is the best result that can be expected in such circumstances.

¡¡¡¡4) Äã²»ÊǵÚÒ»´Î´¦ÓÚÕâÖÖÇéÐΡ£ It isn¡¯t the first time that you¡¯ve found yourself in such a situation.

¡¡¡¡5) Õâ¸öÀ§ÄÑ´ÙʹÎÒ¶¯ÄÔ½îÕÒ³ö´ð°¸¡£

¡¡¡¡This difficulty challenges my mind to find an answer.

¡¡¡¡6) ½«Òª³öÏÖµÄеÄÍþвÊÇʧҵ¡£

¡¡¡¡The new threat on the horizon is unemployment.

¡¡¡¡7) ÎÒÃÇÓв»Í¬µÄ·½·¨±í´ïͬÑùµÄÏë·¨¡£(alternative) We have different ways of expressing the same idea.

¡¡¡¡8) ËûºÈ¾ÆµÄÀÏ벡ÓÖ·¸ÁË¡£

¡¡¡¡He slipped into the old habit of drinking.

¡¡¡¡Unit 8

¡¡¡¡1. ËûÃDZ¨¸æÁ˽«½ü24¶ÔÕòÉϵÄË«°ûÌ¥£¬ÆäÖв¶à12¶ÔÊÇͬÂÑË«°ûÌ¥

¡¡¡¡There are nearly 24 reported sets of twins in the town, of which nearly 12 are identical twins.

¡¡¡¡2. ÎÒÃǶ¼ÖªµÀËûÓÐΣÏÕ£¬µ«²»»áäĿ²ÉÄÉÈËÃÇ˵µÄ»°

¡¡¡¡¡°We are well aware of his danger and won¡¯t blindly accept what people say.¡± stated Mr. Malcom.

¡¡¡¡3. I still remember when I first met you on the lake side.£¨ÎÒÈԼǵÃÎÒ³õ´ÎÔÚºþ±ßÓö¼ûÄãµÄʱºò£©

¡¡¡¡4. when she came to writing her college project, she found other material; this world enable her to enjoy more fully the work.£¨µ±ËýҪдËýµÄ´óѧÏîĿʱ£¬Ëý·¢ÏÖÁËÆäËüϸ½Ú£¬Õâ¸öÊÀ½çʹËý¸ü³ä·ÖÏíÊܸù¤×÷µÄÀÖȤ£©

¡¡¡¡5. As soon as the 15 minutes rest is over,£¨Ò»µ©15·ÖÖÓµÄÐÝÏ¢½áÊø£¬Äã±ØÐ뿪ʼÏÂÒ»¸öѵÁ·Ê¹ÑµÁ·ÏîÄ¿¸üÓÐЧ¡£you must start the next exercise to make the exercise programme more effective.

¡¡¡¡6. without their working as volunteers,£¨Ã»ÓÐËûÃÇ×÷Ϊ־ԸÕßÀ´¹¤×÷£¬ÎÒÃDz»ÄÜΪÐèÒªµÄÈËÌṩÈκηþÎñ¡££©we could never be able to provide any service for those who need it.

¡¡¡¡7.Pears are treated in much the same way as some other kinds of fruit £¨ÓëÆäËûһЩºÍË®¹û¼¸ºõÏàͬµÄ·½·¨£©but are never wrapped.

¡¡¡¡8. A similar meeting held at the beginning of the year, attended by 60 people including teachers,nurses and doctors,£¨ÓаüÀ¨½Ìʦ¡¢»¤Ê¿¡¢ºÍÒ½Éú60È˲μӵģ©was very successful according to the report.

¡¡¡¡Unit 9

¡¡¡¡1. ÀûÓõ±µØµÄÀͶ¯Á¦ºÍ»·¾³Ìõ¼þÈ¥Æô¶¯Ò»Ð©ÐµĹ¤³§¡£

¡¡¡¡Many people took advantage of the local workforces and environmental conditions to start up a few new factories.

¡¡¡¡2. ÎÒºÜÏë×£ºØËý½ñÍíµÄ±íÑݵ«ËýµÄÐËȤÓָıäÁË˵°£¼°¡£

¡¡¡¡I feel inclined to congratulate her on her performance tonight,but her interest has changed again to speak of Egypt.

¡¡¡¡3. The problem is that the employer is apt to underestimate the value of direct discussion with his employees.£¨ÈÝÒ׵͹ÀÓëÆä¹ÍÔ±Ö±½ÓÌÖÂ۵ļÛÖµ£©

¡¡¡¡4. What they had been doing resulted in the discovery of a cure for cancer.£¨·¢ÏÖÁËÒ»ÖÖÖÎÁÆ°©Ö¢µÄ·½·¨£©

¡¡¡¡5. Comparatively speaking, we are more concerned with work efficiency and product development.£¨ÎÒÃǸü¹ØÐŤ×÷ЧÂʺͲúÆ·¿ª·¢£©

¡¡¡¡6. The doctors once said to us that the surgery could induce heart attack.£¨ÊÖÊõ»áÒý·¢ÐÄÔಡ£©

¡¡¡¡7. Although we may be qualified to work for the project,£¨ÎÒÃÇÒ²ÐíÓÐ×ʸñΪ¸ÃÏîÄ¿¹¤×÷£©we can not really be considered top-class scientists.

¡¡¡¡ÍØÕ¹£º´óѧӢÓï·­Òë¿ÎÎÄ·­Òë

¡¡¡¡1 Even the automobile industry, which has remained largely unchanged for the last seventy years, is about to feel the effects of the computer revolution.

¡¡¡¡¼´±ãÊǹýÈ¥70Äê¼ä»ù±¾ÉÏûÓжàÉٱ仯µÄÆû³µ¹¤Òµ£¬Ò²½«¸ÐÊܵ½¼ÆËã»ú¸ïÃüµÄÓ°Ïì¡£

¡¡¡¡2 The automobile industry ranks as among the most lucrative and powerful industries of the twentieth century. There are presently 500 million cars on earth, or one car for every ten people. Sales of the automobile industry stand at about a trillion dollars, making it the world's biggest manufacturing industry.

¡¡¡¡Æû³µ¹¤ÒµÊÇ20ÊÀ¼Í×î׬Ǯ¡¢×îÓÐÓ°ÏìÁ¦µÄ²úÒµÖ®Ò»¡£Ä¿Ç°ÊÀ½çÉÏÓÐ5ÒÚÁ¾³µ£¬»òÕß˵ÿ10È˾ÍÓÐ1Á¾³µ¡£Æû³µ¹¤ÒµµÄ.ÏúÊÛ¶î´ïÒ»ÍòÒÚÃÀÔª×óÓÒ£¬´Ó¶ø³ÉΪÊÀ½çÉÏ×î´óµÄÖÆÔìÒµ¡£

¡¡¡¡3 The car, and the roads it travels on, will be revolutionized in the twenty-first century. The key to tomorrow's "smart cars" will be sensors. "We'll see vehicles and roads that see and hear and feel and smell and talk and act," predicts Bill Spreitzer, technical director of General Motors Corporation's ITS program, which is designing the smart car and road of the future.

¡¡¡¡Æû³µ¼°ÆäÐÐÊ»µÄµÀ·£¬½«ÔÚ21ÊÀ¼Í·¢ÉúÖØ´ó±ä¸ï¡£Î´À´¡°ÖÇÄÜÆû³µ¡±µÄ¹Ø¼üÔÚÓÚ´«¸ÐÆ÷¡£¡°ÎÒÃÇ»á¼ûµ½ÄÜ¿´¡¢ÄÜÌý¡¢ÓÐÖª¾õ¡¢¾ßÐá¾õ¡¢»á˵»°²¢ÄܲÉÈ¡Ðж¯µÄ³µÁ¾ÓëµÀ·£¬¡±ÕýÔÚÉè¼ÆδÀ´ÖÇÄÜÆû³µºÍÖÇÄܵÀ·µÄͨÓÃÆû³µ¹«Ë¾ITSÏîÄ¿µÄ¼¼ÊõÖ÷Èαȶû?˹ÆÕÀ×ÔúÔ¤ÑÔµÀ¡£

¡¡¡¡4 Approximately 40,000 people are killed each year in the United States in traffic accidents. The number of people that are killed or badly injured in car accidents is so vast that we don't even bother to mention them in the newspapers anymore. Fully half of these fatalities come from drunk drivers, and many others from carelessness. A smart car could eliminate most of these car accidents. It can sense if a driver is drunk via electronic sensors that can pick up alcohol vapor in the air, and refuse to start up the engine. The car could also alert the police and provide its precise location if it is stolen.

¡¡¡¡ÃÀ¹úÿÄêÓдóÔ¼4ÍòÈËËÀÓÚ½»Í¨Ê¹ʡ£ÔÚÆû³µÊ¹ÊÖÐËÀÍö»òÑÏÖØÊÜÉ˵ÄÈËÊýÌ«¶à£¬ÎÒÃÇÒѾ­²»Ð¼ÔÚ±¨Ö½ÉÏÌá¼°¡£ÕâЩËÀÍöµÄÈËÖÐÖÁÉÙÓаëÊýÊǾƺ󿪳µÕßÔì³ÉµÄ£¬ÁíÓÐÐí¶àËÀÍöʹÊÊǼÝʻԱ²»Ð¡ÐÄËùµ¼Ö¡£ÖÇÄÜÆû³µÄÜÏû³ý¾ø´ó¶àÊýÕâÀàÆû³µÊ¹ʡ£ËüÄÜͨ¹ý»á¸Ð²â¿ÕÆøÖеľƾ«ÎíÆøµÄµç×Ó´«¸ÐÆ÷¼ì²â¿ª³µÕßÊÇ·ñºÈ×í¾Æ£¬²¢¾Ü¾øÆô¶¯ÒýÇæ¡£ÕâÖÖ³µ»¹ÄÜÔÚÓöÇÔºóͨ±¨¾¯·½£¬¸æÖª³µÁ¾µÄÈ·Çеص㡣

¡¡¡¡5 Smart cars have already been built which can monitor one's driving and the driving conditions nearby. Small radars hidden in the bumpers can scan for nearby cars. Should you make a serious driving mistake (e.g., change lanes when there is a car in your "blind spot") the computer would sound an immediate warning. Äܼà¿ØÐгµ¹ý³ÌÒÔ¼°ÖÜΧÐгµ×´¿öµÄÖÇÄÜÆû³µÒѾ­½¨Ôì³öÀ´¡£²ØÔÚ±£ÏÕ¸ÜÀïµÄ΢ÐÍÀ×´ïÄܶÔÖÜΧµÄÆû³µ×÷ɨÃè¡£Èç¹ûÄã·¢ÉúÖØ´óÐгµÊ§Îó(Èç±äµÀʱÓгµÁ¾Ä㡰äµã¡±ÄÚ)£¬¼ÆËã»úÁ¢¼´»á·¢³ö¾¯±¨¡£

¡¡¡¡6 At the MIT Media Lab, a prototype is already being built which will determine how sleepy you are as you drive, which is especially important for long-distance truck drivers. The monotonous, almost hypnotic process of staring at the center divider for long hours is a grossly underestimated, life-threatening hazard. To eliminate this, a tiny camera hidden in the dashboard can be trained on a driver's face and eyes. If the driver's eyelids close for a certain length of time and his or her driving becomes erratic, a computer in the dashboard could alert the driver.

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¡¡¡¡7 Two of the most frustrating things about driving a car are getting lost and getting stuck in traffic. While the computer revolution is unlikely to cure these problems, it will have a positive impact. Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams. We already have twenty-four Navstar satellites orbiting the earth, making up what is called the Global Positioning System. They make it possible to determine your location on the earth to within about a hundred feet. At any given time, there are several GPS satellites orbiting overhead at a distance of about 11,000 miles. Each satellite contains four "atomic clocks," which vibrate at a precise frequency, according to the laws of the quantum theory.

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¡¡¡¡8 As a satellite passes overhead, it sends out a radio signal that can be detected by a receiver in a car's computer. The car's computer can then calculate how far the satellite is by measuring how long it took for the signal to arrive. Since the speed of light is well known, any delay in receiving the satellite's signal can be converted into a distance.

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¡¡¡¡9 In Japan there are already over a million cars with some type of navigational capability. (Some of them locate a car's position by correlating the rotations in the steering wheel to its position on a map.)

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¡¡¡¡10 With the price of microchips dropping so drastically, future applications of GPS are virtually limitless. "The commercial industry is poised to explode," says Randy Hoffman of Magellan Systems Corp. , which manufactures navigational systems. Blind individuals could use GPS sensors in walking sticks, airplanes could land by remote control, hikers will be able to locate their position in the woods -- the list of potential uses is endless.

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¡¡¡¡11 GPS is actually but part of a larger movement, called "telematics," which will eventually attempt to put smart cars on smart highways. Prototypes of such highways already exist in Europe, and experiments are being made in California to mount computer chips, sensors, and radio transmitters on highways to alert cars to traffic jams and obstructions.

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¡¡¡¡12 On an eight-mile stretch of Interstate 15 ten miles north of San Diego, traffic engineers are installing an MIT-designed system which will introduce the "automated driver." The plan calls for computers, aided by thousands of three-inch magnetic spikes buried in the highway, to take complete control of the driving of cars on heavily trafficked roads. Cars will be bunched into groups of ten to twelve vehicles, only six feet apart, traveling in unison, and controlled by computer.

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¡¡¡¡13 Promoters of this computerized highway have great hopes for its future. By 2010, telematics may well be incorporated into one of the major highways in the United States. If successful, by 2020, as the price of microchips drops to below a penny a piece, telematics could be adopted in thousands of miles of highways in the United States. This could prove to be an environmental boon as well, saving fuel, reducing traffic jams, decreasing air pollution, and serving as an alternative to highway expansion.

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¡¡¡¡Harvey Mackay, who runs his own company, often interviews applicants for jobs. Here he lets us into the secret of what qualities an employer is looking for, and gives four tips on what can help you to stand out from the crowd.

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