高二英語上冊Units1-8同步優質教案
t: do you know any other quotes about science and thinking?
wisdom is only found in truth. -- johann wolfgang von goethe.
knowledge is power. –francis bacon.
step ii listening
t: ok. now lets do some listening practice on p2. we are going to listen to the descriptions of some famous scientists. read the requirements by yourselves quickly. listen to the tape for the first time to get a general idea, and then try to finish the e.
step iii speaking
t: now let’s look at the speaking part on p2. work in groups of five. each group member represents a branch of science, eg biology, maths, chemistry, physics, computer science. you are going to debate each other to see which branch of science is the most important and useful for society. first you should decide who will represent each branch and then prepare your role card to debate. you can use the expressions.
step iv language points (computer)
1.it takes a very unusual mind to undertake the analysis of the obvious.
分析明顯存在的事物需要非凡的頭腦。
(1)undertake(undertook，undertaken)
vt.承擔(工作，責任等)，承辦+名詞
例：he undertook the difficult task willingly.
他欣然承擔那項困難的工作。
1 will undertake the responsibility for you.
我會為你負起責任。
vt.著手，進行，企圖+名詞
例：he undertook a new experiment.
他著手一項新的實驗。
(2)analysis復數形式analyses.
a chemical analysis化學分析
we made a careful analysis of the problem.
我們仔細分析了那個問題。
(3) obvious adj. (more obvious，most obvious)
明顯的，明白的，顯而易見的
obviously adv.
例：he told her an obvious lie.
他對她扯了一個明顯的謊言。
it is obvious that….…是顯然的。
例：it is quite obvious that he didn't do it himself.
顯然他沒有親自去做。
it seemed obvious that he suffered from a bad cold.
顯然他得了重感冒。
2.there is no doubt that. 毫無疑問 ..
例：there is no doubt that our team will win.
我隊獲勝是毫無疑問的。
i don't doubt that we will win the game.(否定句用that)
我不懷疑我們將會贏得這場比賽。
do you doubt that he has passed the final examination ? (疑問句用that)
你懷疑他已通過期末考試了嗎?
i doubt whether he is the best man for the job.(肯定句用whether)
我懷疑他是否是擔任那項工作的最適當人選。
homework
preview the reading material.
review the words and expressions in this period.
step v the design of the writing on the bb
unit 1 making a difference
the first period
scientists contributions