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作为班主任在做好后进生工作时应注意哪些方面
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根据中国互联网络信息中心CNNIC 2005年1月发布的《第十五次中国互联网络发展状况统计调查》，我国互联网继续保持了增长态势。截止到2004年12月31日，我国的上网计算机总数达到了4160万台，与上一次调查结果相比，我国的上网计算机总数半年增加了530万台，和去年同期相比增长34.7%，是1997年10月第一次调查结果的139.1倍。其中专线上网计算机数为700万台，同上一次调查结果相比，专线上网计算机数半年内增加了48万台，而和上年同期相比增长17.6%，是1997年10月第一次调查结果的142.9倍；拨号上网计算机数为2140万台，同上一次调查结果相比，拨号上网计算机数半年内增加了43万台，而和去年同期相比增长10.0%，是1997年10月第一次调查结果的85.6倍；其他方式上网计算机数为1320万台，同上一次调查结果相比，其他方式上网计算机数半年内增加了439万台，而和去年同期相比增长140.4%。(说明：CNNIC约每半年发布一次调查结果) 由资料可知CNNIC 1997年10月第一次调查结果中，我国的上网计算机总数约为( )。
As our van pulled up to the ranch (牧场) to start a three-month program for troubled boys, we passed a cowboy on his horse. Bill was the owner of the ranch. We made eye contact through the dusty window and he winked (挤眼睛) at me and touched the brim of his cowboy hat in welcome.All summer long Bill and his ranch-hands taught us to ride horses, chop wood, and round up cattle. We started to understand the value of working with our hands. Knowing how important it was for boys like me to know that someone believed in them, he trusted us to do the job and do it right. We never let him down.The last day at the ranch, Bill pulled me aside and praised me for the work I had done-- not only on the ranch, but also on myself. He told me if I ever needed anything I could count on him.Four years later, I took him up on that offer. I called him up and asked for a job. I told him how his confidence in me had given me the’ courage to change my life. He offered me a job on the spot. I’m proud to say that each summer I’m the one in the ranch to open the gate for a van full of young men who need someone to believe in them, so they can learn to believe in themselves. The author’s first impression of Bill was probably his （）
It is wise to remember that you do not have to buy anything from any salesperson. You ought to buy only those things you really need or want and can（1）. Try not to let your personal feelings about the salesperson（2） you to make a purchase. Remember that you are entitled to ask a salesperson any question you wish （3） the product or service, and you are entitled to get a clear, complete（4）. You call tell the salesperson you want to think about the matter, for a few days, （5） that you want to talk to other people who have purchased the product or service. You can walk（6） from a salesperson without a polite end to the conversation. If a salesperson telephones you, you do not have to listen to the person’s entire "lecture" or respond to it in a friendly way. You can simply interrupt the person and state that you are not interested in the product or service. You can simply（7） the telephone without saying anything.There are, of course, many salespeople who are genuinely interested in assisting you and in （8） you reasonable products and prices. If you are in （9） about the wisdom of a particular purchase, you might want to（10）another person who has had experience with the product or the service that interests you. If you receive unwanted goods in the mail, you are not obligated to pay for it. Remember that you are entitled to ask a salesperson any question you wish （） the product or service, and you are entitled to get a clear
The night is not what it was. Once, the Earth was cast half in shadow. Then came fire, candle, and light bulb, gradually drawing back the curtain of darkness. But a brighter world has its drawbacks.An estimated 30 percent of outdoor lighting--plus even some indoor lighting--is wasted. Inefficient lighting costs U. S. about ＄10.4 billion a year, according to Bob Gent of the International Dark-Sky Association, a nonprofit that aims to control light pollution.Last year in Sydney, an estimated 2.2 million Australians switched off their lights during "Earth Hour", briefly reducing that city’s energy use by more than 10 percent. Motivated by such trends, more than two dozen cities worldwide went dim on March 29 this year in an hour-long demonstration.A number of groups are trying to measure light pollution and assess its effects on the environment in the hope that people will reduce their own contribution to the problem. Scientists aye trying to report how many stars we can see. In dark rural areas, about 2,000 stars are typically visible at night, compared with "maybe five" in a bright city square--and about 5,000 in centuries past.People who are working while others are star-gazing may face the greatest risks. Nighttime exposure to white light can cause the growth of tumors (肿瘤), experiments show. Two decades of research indicate that women who work night shifts have unusually high rates of breast cancer. Scientists counted the number of stars （）
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