高中英语必修五-unit1-教案.doc

Unit 1 Great scientists
Copernicus’ revolutionary theory
Teaching aims:
1 Improve the Ss reading and writing skill.
2 Get to know Copernicus’ revolutionary theory.
3 Learn some useful words and expressions.
Main points:
Reading and writing
Difficult points:
Comprehension
Teaching procedures:
Step1. Lead-in
Ask the students to name some great scientists, lead out Nicolaus Copernicus by present his picture on the PPT, and introduce him simply.
Step2. Reading
1 Give the students 10 minutes to read the passage and find the answer of the four questions by group work
• a What did Copernicus think was the center of the solar system?
• b Why Copernicus couldn’t he tell anyone about the theory?
• c How many years did Copernicus work on the problem to complete his theory?
• d When did Copernicus publish his theory?
Then, check the answer before asking some students to answer
2 Let Ss draw the two theories of the universe on P7
3 Let Ss judge the sentences which present the information of the text to check if they have got the passage generally.
4 Language points: Let the student read the passage paragraph by paragraph to pick out the problems they have.
The points may be:
a. lead to: All roads lead to Rome.
b. 冒号+that从句(可略)：
尽管他很聪明，但他不勤奋，他从失败中得出结论：不劳无获
Though he was very clever, he didn’t work hard and all his failure led to the conclusion: that no pain no gain.
c. Only if you put the sun there did the movements of the other planets in the sky make sense.
只有当你把太阳放在中心位置上，天空中其他行星的运动才能说的清楚
Only 引导的状语放在句首，句子需用半倒装
For example：
只有用这种方法，你才能轻松得解决这个问题
Only in this way, can you deal with the problem easily.
就在你失去它的时候，你才会懂得时间宝贵。
Only when you lost it, will you understand how valuable the time is.
make sense 讲得通，有道理，有意义（反义：make no sense）
他说的有道理
What he says makes sense.
你的故事我听不明白。
Your story doesn’t make sense to me.
d. He placed a fixed sun at the centre of the solar system with the planets going round it….
他把太阳固定在太阳系的中心位置上，而行星则围绕着太阳转
With+宾语+宾语补足语(v-ing/ v-ed/ to do/ adj./ adv./ prep. Phrases)　通常作为状语，表示方式原因，条件。
随着考试的结束，我们的假期开始了
With the test finished, we began our holiday.
老师微笑地走进教室，身后还跟着一群小朋友
With a group of children following, the teacher came into the classroom with smile.
e. Spin- spun-spun- spinning
f. Enthusiastic 热心的，满腔热情的（enthusiasm. n.）
Enthusiastic support 热情的支持
Be enthusiastic about 对某事充满热情
g．cautious
be cautious about/of sb/sth
h．reject
reject 和 refuse 后都可以接名词，但是reject含有对被抛弃的东西不顾一屑的意思，而refuse 可以表示谢绝reject an offer/possibility/theory
Step 3 Homework
1. Write a short letter asking Copernicus to publish his ideas. ( In order to improve the students’ writing skill)
2. Revise the words and language points in this unit.