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1、新世纪大学英语综合教程第六册U1U3cloze答案Unit 1 Online teaching ，a relatively recent instructional medium，is becoming more and more popular. At the same time, however, it has brought a lot of challenges to teachers who are used to giving traditional lectures. First of all, there is the challenge of delivering the s
2、ubject matter via computer in the same enthusiastic, humorous and easy-to-understand way as in a regular classroom. Secondly, the teacher needs to do hours of typing and illustrating to make the subject matter clear for online students. Thirdly, for online education, interaction with the teacher and
3、 with other students is a more integral element of learning than it is in the classroom. Therefore, it is critical for the students to feel the teacher is always there, ready to answer questions, willing to help develop a sense of community built around the subject matter. Finally , some students ne
4、ed the discipline of the classroom to stay involved or else they will fall behind and drift away in an online class as the online class provides too much flexibility. How to keep those students is probably the greatest challenge to an online class teacher. Unit 2 The distinction between neat people
5、and sloppy people boils down to this :neat people are lazier and meaner than sloppy people. For one thing, neat people are bums and clods at heart. They like results and do not care about process. Instead of carrying in their minds eye a heavenly vision ,they just handle everything once and for all
6、and everything that is of no immediate use goes into the trash can. They are incredibly wasteful and put neatness before all else, even economic. By contrast ,sloppy people take pains to develop ambitious plans. They may not be neat now but someday they will straighten out the world Besides ,neat pe
7、ople have cavalier attitude towards everything ,including such possessions as family heirlooms. And they are especially vicious with mail. They throw ads, catalogs, and coupons into the trash can without opening them. They are so insensitive that people，animals，and things are all one to them. They w
8、ould toy with the idea of throwing the children out of the house just to cut down on the clutter. On the other hand, sloppy people give loving attention to their possessions and find it impossible to part with anything. Unit 3 Tobacco smoking has been a popular practice for centuries. The tobacco in
9、dustry, coupled with Hollywood movies in which both hero and heroine puff away, has successfully established a glamorous image of smokers. As a result, people take up smoking with illusion of looking either dapper or fashionable and most of them end up hopeless addicted to cigarettes. In some Third
10、World countries, as in American ghettoes and on reservations, money that should be spent for food goes instead to the tobacco companies. Indeed, smoking is nothing but self-poisoning, and watching their loved ones dying of smoking, family members are often overwhelmed with a feeling of futility. Mea
11、nwhile, we must feel empathy for the tobacco plant itself. Though for centuries the plant has been venerated by Native Americans as a sacred medicine to heal wounds and cure diseases, it has been captured and abused to enslave the world. And with its true nature suppressed, the tobacco plant has become deadly. Indeed, we should redeem tobaccos soul, restore its self-respect right away and promote the slogan:” every home a smoke-free zone.”
