《A lesson in a lab》教案

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  • 更新时间: 2017/9/11 17:08:48
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约1470字。
  Module 5 A lesson in a lab
  Period 1
  Teaching aims:
  1. Let the students know some words related to experiments, the lab and something like that
  2. Review the usage of numbers/ fractions/ percentages
  3. Know sth about Degrees of parison.
  Teaching steps:
  I. All of us have learned physics, biology and istry in middle school. Now let’s have a test to see how much you know.
  Deal with Activity 1 on page 41. Choose the correct answers to the quiz.
  Now play the tape for the students to listen and check their answers.
  Answers:
  1 a 2 a 3 a 4 a 5 b 6 b 7 b
  II. First read the words and then ask the ss to translate them into Chinese. At last put them in pairs or groups.
  Answers:
  air-gas-oxygen contract-expand earth- sun- moon
  gas-liquid-solid
  III.. Answer the questions.
  Answers:
  1) Electricity, iron, some metals and air are natural
  2) Steel, some metals and glass are man-made
  3) Electricity and some metals can be man-made and occur naturally
  IV. Turn to page 42.
  Activity 1 Read the numbers. Pay attention to the position of the word “and”.
  V. Fractions.
  基数词+序数词,当分子大于1时,分母要加s
  作主语时,谓语动词要根据of 后面的名词决定。
  Answers:
  two-fifths five-eighths nine-tenths three-eighths five-sixths
  VI. Percentages
  基数词+ percent/ per cent 注意:percent 永远单数形式
  作主语时,谓语动词要根据of 后面的名词决定。
  VII. Degrees of parison 1 & 2
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