unit 3 computers
period 1 words and expressions 教学设计
i. teaching contents：words and expressions
ii. teaching aims：
1). master the following words and expressions.
calculate; universal; simplify; sum; logical; technology; artificial; intelligence; solve; reality; totally; mobile; explore; anyhow; goal; from …on; as a result; so…that; human race
2). to train the students interested in words and master the usages of words and phrases.
3) words: calculate; universal; simplify; sum; logical; technology; artificial; intelligence; solve; reality; totally; mobile; explore; anyhow; goal
4) phrases: from …on; as a result; so…that; human race
iii. key points & difficulties
key points
master the following words and phrases:
calculate; universal; simplify; sum; logical; technology; artificial; intelligence; solve; reality; totally; mobile; explore; anyhow; goal; from …on; as a result; so…that; human race
difficulties
use the words and phrases in this period correctly.
iv. teaching procedure:
step 1: lead-in
check the students preview work..
words and expressions preview.
step 2: listening
listening to the words and expressions for the correct pronunciation.
step 3: read after teacher:
read all the words in this unit after teacher.
teacher deal with the words that is difficult to read.
step 4: key words and expressions’ explanation
1.calculate vt. work (sth.) out by using numbers 计算
2. universal adj. existing everywhere or involving everyone 普遍的；通用的；宇宙的
3. simplify vt. to make something less complicated and therefore easier to do or understand 简化
