Making a difference（The Fourth Period）
4. he studied hard to .
5. lunch is reading. let’s stop to .
(teacher asks the students to finish the exercise within three minutes. then teacher collects the answers.)
suggested answers:
1. discover nature of the universe; get married
2. live; be wrong
3. catch the train; find the train had gone; miss the train
4. pass the examination
5. have lunch
t: well done. so much for grammar revision. now let's revise the useful expressions in this unit together.
(show the expressions on the screen.)
tell me their chinese meanings one by one.
work on, be engaged to, go by, turn out, dream of, go on with, use up
t: now let's do an exercise to see whether you have mastered them well. complete the sentences by filling in the blanks with the right phrases we've revised just now.
(show the sentences on the screen.)
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.
(a moment later, check the answers with the whole class. )
suggested answers:
1. dreams of 2. is engaged to
2. went by 4. turned out
5. has used up 6. go on with
7. is working on
step ⅲ 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?
ss: yes. elbert einstein (the theory of relativity); maria curie (radium, polonium)…
(teacher collects the names and discoveries or inventions of the scientists and says the following.)
t: do you know why and how they made these important discoveries or inventions? (ss: no.) ok. today we are going to read a passage. it will tell us what makes the scientists make their discoveries. before we read it, we'll learn some new words in this period.