高一第十六单元Scientists at work要点综述

Unit 16 Scientists At Work

I.Teaching aims and demands
1.Topics
  1>Talking about science and scientists
  2>Talking about experiments
2.Function:
  1.发出指令(Giving instructions)
    Build the frame of the kite by making...
    Tie the corner of the handkerchief to the points of the cross...
    Add a tail to the frame and tie a long string to the cross...
    First,fix a sharp piece of metal...
    Second,fasten a key to the end of the long string.
    Third,tie a silk ribbon to the string...
    Fly the kite when...
  2.讨论和评估赞成与反对(Discussing and evaluating pros and cons)
      Advantages
    It s good for the ceremony.
    It can help many people in the future.
    It is cleaning and does not pollute the air.
    It is important for science.
    It brings people more comfort.
      Disadvantages
    It is too expensive.
    It is dangerous or bad for your health.
    It is bad for the environment.
    It is unnecessary.
    Some people will use it for other things.
3.Vocabulary
    experiment;glove;gas;liquid;advantage;disadvantage;engine;nuclear;
    comfort; unnecessary; successful; conduct; lightning; thunderstorm;
    string;charge;electric;shock;prove;tear;frame;kandkerchief;control;
    sharp; foot; fasten; sense; test; shampoo; skin; drug;activist;doubt;
    cruel; view; conclusion
    a number of; a great deal of; pick out; test on
4.Grammar:
    构词法-----合成词
    foot+ball=football           up+stairs=upstairs
    under+storm=thunderstorm     hide+and+seek=hide-and-seek
 
II. Key points
1.listening and speaking
1>Why should students be careful smelling from bottles?
  be careful smelling
  [用法]also be careful to do 小心做某事
  [举例]John was careful not to say anything about this to her.
        约翰小心翼翼,避免向她提及此事。
        Be careful crossing the road.
        小心过马路。
2>We should make more use of this new technology.
  make use of
  [用法]利用
  [举例]We will make good use of our time.
        我们将好好利用我们的时间。
  [思考]1.如何表示 充分利用 ?
        2.如何将We will make good use of our time改为被动态?
3>It brings us more comfort.
  comfort
  [用法]n.1. 安逸,舒适[U] 2. 安慰,慰问[U] 3. 安慰者,给予安慰的东西[C]
        vt.1. 安慰,慰问
  [举例]We could give him no comfort.
        我们无法给他安慰。
        It s a comfort to be with you.
        与你在一起使人得到安慰。

2.reading
1>Franklin conducted a number of experiments in which he showed what electricity is.
  conduct
  [用法]vt.1. 引导,带领 2. 实施;处理;经营,管理
           3. 指挥(军队,乐队等) 4. 【物】传导(热,电等)
  [举例]He conducted the members of the audience to their seats.
        他引观众到他们的座位上。
        Most metals conduct electricity.
        大多数金属能导电。
  a number of
  [用法]见高一上册unit 12
2>Having realized that I could use a kite to attract lightning, I decided to do an experiment.
  Having realized that...
  [用法]现在分词的完成式做状语，这时，分词的动作往往先于主句谓语动词发生。
3>The kite flew high in the rainy sky, but nothing happened.
  high
  [比较]highly 1. 非常,很,高度地 2. 高价地,高额地
  [举例]They are highly skilled workers.
        他们是技术很好的工人。
4>I was beginning to think that the experiment would not work.
  work
  [用法]见高一上册unit 1; unit 12
5>The string was getting charged.
  charge
  [用法]vt.1. 索价; 2. 把...记入帐册 3. 向...冲去,袭击 4. 将(电池)充电
        vi.1. 索价;收费(+for) 2. 冲锋,向前冲(+at)
        n.1. 费用,价钱,索价[C](+for) 2. 掌管;照顾;责任[U]
  [举例]This store often charges only 65 US cents a dozen for large eggs.
        一打大鸡蛋在这家店里常常仅卖六十五美分。
        Please charge my account.
        请记在我帐上。
        The lion charged at those littl
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