2. Now an increasing number of people come to realize that time is money ( knowledge is power/science and technology energize economic growth/we must learn to live in harmony with wildlife/weak nation has no international prestige/cheating never pays/science and technology constitute the primary productive force/... ).
3. There are three basic differences between the large and small universities (cities and countryside/ceramics and plastics materials/... ). In the small university， you... In the large university， you...
4. There are various ways (at least three ways/possible techniques/problems/methods/approaches/... ) to do something.
5. Now it is commonly held that... but I doubt whether...
6. The policy ( The president/The major/The reform/The bidding for the 2008 Olympic Summer Games) enjoys grass-root support for three main reasons，
7. Smoking (alcoholic beverage/Drugs/Guns/Firecrackers/... ) should be banned from college campuses for two reasons. The first reason is that... The other reason is that... (on the one hand .... On the other hand .... )
8. There is a general discussion today about the issue of...
9. No pains， no gains. No money， no honey (friendship/work/promotion/admission/love/assistance/service/justice/... ). No
shirt ( shoes ) ， no admission.
10. We enjoy Internet surfing not because we are curious about new things， but because Internet represents the latest technology.
11. The possible solutions of the energy crisis (water shortages/desertification/pollution/theses social problems/... ) depends on three
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