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step by step 第四册 lesson 135

时间:2006-12-25 16:00来源:互联网 提供网友:shimianmaifu   字体: [ ]
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UNIT 68  POPULAR SCIENCE (Ⅰ)

           Lesson 135

     Part Ⅰ Warming-up Exercises

   Note-taking: Inventions

   The words you may need for your note-taking in this drill: gasoline
/ barometer1 / Polaroid / pendulum2 / Diesel3 / dynamite4 / kaleidoscope /
harpsichord

   Invention        Inventor
   _________   Gottieb Daimler
   _________   Evangelista Torricelli
   _________   Edwin Herbert Land
   _________   Christiaan Huygens
   _________   Rudolph Diesel
   _________   Alfred Bernhard Nobel
   _________   Sir David Brewster
   _________   Bartolomeo Cristofori
   _________   Elias Howe
   _________   Christopher Sholes

   nationality  Occupation  Year
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
   ___________  __________  ____
                     Score: ____

         Part Ⅱ  Ecology

      Vocabulary

   1. cross-examine
   2. plutonium
   3. planet
   4. induce
   5. alleged
   6. outweigh
   7. valid
   8. legitimate
   9. disinfectant
   10. shampoo
   11. advocate
   12. parody
   13. Pat Chapman
   14. Lewis Carroll
   15. Whitehaven
   16. Windscale

               Notes

    Pollution means contamination of the environment as a result of the
activities of man. The term pollution refers primarily to the fouling5
of air, water, and land by wastes. In recent years, it has come to
signify a wider range of disruptions to environmental quality. And
people are more and more concerned with "visual pollution," "air
pollution," "noise pollution," "thermal6 pollution" and so on.

        Student Evaluation

  My general Impression Content:
   ____ helpful _____ adequate
   ____ inadequate
  Level Of Difficulty:
   ____ easy ____ fair
   ____ difficult
   My Major Problems
   ____ understanding meanings
   ____ selecting major points
   ____ organizing facts
   ____ retaining concepts
   My Comprehension Score
   __________________________

Exercises:
Ⅰ. 1. ______________________
    2. ______________________
       ______________________
    3. ______________________
    4. ______________________
    5. ______________________
       ______________________
    6. ______________________
       ______________________
       ______________________

Ⅱ.  "You are _____, Friend Scientist, " the public said, "and are
_________, using millions of ________ in ___________. We really don't
think that you are __________. Your are __________, Friend Scientist,"
the public said, "and we don't, think ___________ to develop _______
which would blow us _______________ and finish __________________."
   

      Part Ⅲ   The Rainbow Valley Atomic Power Plant
           -- Pros7 And Cons

      Vocabulary

   1. boon
   2. sentinel
   3. foot the bill
   4. the lion's share
   5. utility
   6. radioactive
   7. potential
   8. Sanders
   9. Vera Moss

               Notes

    Nuclear technology has not yet developed a safe method for
disposing of nuclear wastes. The development of nuclear fusion8 (whose
and products are harmless) has so far been hindered by the difficulties
of containing the fuels necessary to initiate9 and sustain fusion.

        Student Evaluation

  My general Impression Content:
   ____ helpful _____ adequate
   ____ inadequate
  Level Of Difficulty:
   ____ easy ____ fair
   ____ difficult
   My Major Problems
   ____ understanding meanings
   ____ selecting major points
   ____ organizing facts
   ____ retaining concepts
   My Comprehension Score
   __________________________

Exercises:
Ⅰ. 1. _____  2. _____  3. _____
    4. _____  5. _____

Ⅱ. Project Being Discussed: construction of ___________
    Approximate Location:
    ______________________
    Expected Time of Completion:
    ______________________
    Claimed Benefits:
    ______________________
    Cost: ________________
    Financial Source:
    ______________________
    Public Concern:
    ______________________
    ______________________
    ______________________
    Spokesman's Assurance:
    ______________________
    ______________________
    ______________________
    ______________________


点击收听单词发音收听单词发音  

1 barometer fPLyP     
n.气压表,睛雨表,反应指标
参考例句:
  • The barometer marked a continuing fall in atmospheric pressure.气压表表明气压在继续下降。
  • The arrow on the barometer was pointing to"stormy".气压计上的箭头指向“有暴风雨”。
2 pendulum X3ezg     
n.摆,钟摆
参考例句:
  • The pendulum swung slowly to and fro.钟摆在慢慢地来回摆动。
  • He accidentally found that the desk clock did not swing its pendulum.他无意中发现座钟不摇摆了。
3 diesel ql6zo     
n.柴油发动机,内燃机
参考例句:
  • We experimented with diesel engines to drive the pumps.我们试着用柴油机来带动水泵。
  • My tractor operates on diesel oil.我的那台拖拉机用柴油开动。
4 dynamite rrPxB     
n./vt.(用)炸药(爆破)
参考例句:
  • The workmen detonated the dynamite.工人们把炸药引爆了。
  • The philosopher was still political dynamite.那位哲学家仍旧是政治上的爆炸性人物。
5 fouling 51c8adea6ef6cc2e33d171f8ae739b2d     
n.(水管、枪筒等中的)污垢v.使污秽( foul的现在分词 );弄脏;击球出界;(通常用废物)弄脏
参考例句:
  • He was sent off for fouling the other team's goalkeeper. 他因对对方守门员犯规而被罚出场。 来自《简明英汉词典》
  • A basketball player is allowed five personal fouls before fouling out. 篮球运动员侵人犯规五次即被罚下场。 来自《现代汉英综合大词典》
6 thermal 8Guyc     
adj.热的,由热造成的;保暖的
参考例句:
  • They will build another thermal power station.他们要另外建一座热能发电站。
  • Volcanic activity has created thermal springs and boiling mud pools.火山活动产生了温泉和沸腾的泥浆池。
7 pros pros     
abbr.prosecuting 起诉;prosecutor 起诉人;professionals 自由职业者;proscenium (舞台)前部n.赞成的意见( pro的名词复数 );赞成的理由;抵偿物;交换物
参考例句:
  • The pros and cons cancel out. 正反两种意见抵消。 来自《现代英汉综合大词典》
  • We should hear all the pros and cons of the matter before we make a decision. 我们在对这事做出决定之前,应该先听取正反两方面的意见。 来自《简明英汉词典》
8 fusion HfDz5     
n.溶化;熔解;熔化状态,熔和;熔接
参考例句:
  • Brass is formed by the fusion of copper and zinc. 黄铜是通过铜和锌的熔合而成的。
  • This alloy is formed by the fusion of two types of metal.这种合金是用两种金属熔合而成的。
9 initiate z6hxz     
vt.开始,创始,发动;启蒙,使入门;引入
参考例句:
  • A language teacher should initiate pupils into the elements of grammar.语言老师应该把基本语法教给学生。
  • They wanted to initiate a discussion on economics.他们想启动一次经济学讨论。
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