Section4 预测重点 (5篇)
主题提示: 英国伦敦等地的地铁
主题提示: 太空站和宇航员
主题提示: 生物燃料发展现状
主题提示: 美洲土著建筑的讲座
主题提示: 运动的发展和影响
Section 4
主题提示：International space station
Background
31.the air is fresh
32.food in international station is variety
33.communication between earth and space station isstable
34.sleep is big issue in space because the noise.
35.Objects are floated
36.water is different mixture which block the pipes
37.tools are hard to use
38.following instructions is priority problem
Suggestion forimprovement
39.since people come from different countries, there are different accentsand it can be a problem
40.pay much attention tosafety issues
Section 4
主题提示：Undergroundsubways in Britain
The special feature of British subway
31. The tunnel underground is deep
32.Design in the past did not consider great increase in population
33.Ventilations were covered by the newspaper people throw away
34.People standing on platform feel hot, yet coolerin the cabin
Lessons learned forimprovement
35.Engineers should take security into consideration
36.If there is to be innovation, the parks situpside will be damaged
37.When it rains, tube way will be full of water
38.Need to build an entrance in every street around each station
In the future
39.Using more fans in the tunnel, ventilation will be greatly enhanced
40.More passengers as tourism brings more people
Section 4
主题提示：Biomasses development
Background: Advantages
31. Biomasses fuel on finances: productat no cost
32. Convenient and easy to handle and store
Production
33. Materials processed as powder from
34. Need add some substances, like starch
35. Mixture with different shapes e.g. holes
36. only need to input a little energyof electricity
Applications
37. In USA and Europe biomasses have already used in agriculture
38. In China, year 2002, there are already 600 factories
39. In Uganda, biomasses are applied mainly in researches and business
40. In the future, it is predicted that the demand will increase
Section 4
主题提示：Sport developmentand its significance in social life
31. involve a large population
32. increasing participation
33. It is important to know it is a long-term trend
34. free entry to movie clubs
35. technological improvement on new materials
36. close to fashion
37. Satellite TV 对运动的影响：A. Satellite TV can be promotional to uncommon sports
38. books 对运动的影响：C. Knowledge from the books maybe restricted
39. Newspaper对运动的影响：B.Newspaper do not respect tosport players' privacy
40. Digital TV 对运动的影响：D. Show sport actions from different angles
Section 4
主题提示：Native American Architecture
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（编辑：JIE）
