Unit 1 Making a difference

t: now let’s revise the useful expressions. do an ex to see whether you have mastered them well.
1.he          one day becoming a famous violinist.
2.tom           ann.
3.two weeks slowly           .
4.his suggestion           to be a good one.
5.he           his ink.
6.if we don’t finish painting the room today, we can         it tomorrow.
7.he           a novel.
step ii reading
t: there were many scientists in the world in the past, whose discoveries and inventions can help us understand the world better. can you say out the names of some scientists and their discoveries?
……
t: do you know why and how they made these important discoveries or inventions? the passage tells us what makes the scientists made their discoveries. turn to p7. read the passage quickly and then answer some questions on the screen.
1.what’s the characteristic of galileo galilei?
2.why could stephen hawking make contributions to science work?
3.what can be described as the ability to use knowledge?
4.what’s the most important thing if we want to make a difference?
5.how can we hope to reach our goals and truly make a difference?
t: i’ll explain some expressions and sentence structures.
1. take a look at
2. what if
3. the other way round
4. …it was only later that the world recognized his greatness.
5. …only by discovering what we do best can we hope to reach our goals and truly make a difference.
step iii listening and discussion
t: listen to the tape twice. then discuss the questions in pairs or groups.
1. of all the characteristics mentioned in the passage, which do you think is the most important? why?
2. what do great scientists like stephen hawking , galileo galilei and zhang heng have in common? find out more about them and how they work and think: what is the scientific spirit? how do scientists solve problems? how do scientists make a difference? what can we learn from great scientists?
use the questions below to get started.
what is the scientific spirit?
how do scientists solve problems?
how do scientists make a difference?
what can we learn from great scientists?
step iv writing
t: who is your favourite scientists? write a paragraph. before writing, think about what you want to write and what the readers need to know. how can you best describe him or her? what is the most important or interesting fact about the scientist? why do you like him or her? list an outline of the passage. then write some useful sentences to help them.
step v homework
go over all the important points learnt in this unit and finish your writing.
step vi the design of the writing on the bb