Period 1

Pre-class task:

1. Preview new vocabulary of Unit 1, and especially pay attention to the pronunciation of the new word     2. Finish the quiz in Warming up( p1) in groups of four by referring to books or surfing the net.

Step 1 Learning Goals

Get Ss to go through the summing up form on p 8 in order to have a general idea of the learning goals of Unit 1

Step 2 Word Study

1.  (Pair work) Get Ss to learn the new words and phrases on p91 within 3 mins, by reading them aloud to each other to make sure that they can pronounce the words correctly----à Get Ss to read aloud the words in pairs by turns, e.g. 1 pairs read 4 words then go to next pair

2.  Practice   

Use the correct form of the words to fill in the blanks.

3.  Fill in the blanks using the new words in this unit

1. Mrs. White bought a pan with a long ________. (handle)

2. The pollution is so ________ that we have to take some measures to stop it. (severe)

3. He has a big nose that is a ________ of his family. (characteristic)

4. Water and salt are ________ into our blood stream every day. (absorbed)

5. If a doctor or a medical treatment ________ someone’s illness, they make the person well again. (cure)

    

   Step 3. Warming up

     (Group competition) Check the answers to the quiz to find out which group know the most . Show pictures to introduce some scientists while Ss giving the correct answers--à congratulations to the winning group

    

Step 4 Pre-reading 

1. (Pair work) What five most important qualities do you think a scientist should have? Give reasons.

clever/talented  strict  patient  creative  determined/strong-willed  positive  honest  energetic  intelligent/hard-working  ambitious  careful  co-operative  confident  brave

2. (Group work)  Ex2, p1

Do you know how to prove a new idea in scientific research? Discuss in groups the stages in examining a new scientific idea. What order would you put them in?

Draw a conclusion    Think of a method    Collect results     Make up a question    

Find a problem       Analyse the results    

Step 5. Summary

1. Seeing much, suffering much, and studying much are three pillars (支柱，要素) of learning.

2. learning without thought is a labour lost; thought without learning is perilous(危险的)

   3.  To know the disease is half the cure. 找出病根等于医治了一半。

     .

Step 6 Homework

1. Preview the reading passage John Snow Defeats “King Cholera”(p2)

2. Speaking task (p46) write some key words to the Qs to help your talk on your book and prepare to introduce the scientist you admire most to the class

3. Read notes ①--⑨ to Unit 1

4. Listening exercise P41,Ex 1&2

Period 2

Step 1 Homework checking  p41 Listening

Step 2 Lead in

1. Invite 2-3 Ss to introduce the scientists they admire most to the class

   2.  Background introduction to John Snow

   John Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anesthetist(麻醉师).He was so famous that he became the doctor for Queen Victoria at the births of her many children.

   Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera which ever occurred in the kingdom began. It was so violent and sudden that 127people died in the first three days.

    

1. Give information of the deadly disease cholera

   1) What infectious diseases do you know? (AIDS, SARS, H5N1,pig-borne disease 猪链球菌)

   2) What kind of disease is it ?      

4. Make up a question

What was the cause of this disease ? How did John Snow find it out?

Get Ss to imagine and describe How John Snow defeat cholera by making use of the key words

cholera, outbreak, severe, deadly, infectious, examine, expose, analyse, control, cure, defeat

Step 3 Reading

1. Fast reading : Read the text quickly and find out the main idea of each paragraph

   Para 1: the problem     Para 2: the cause----two theories      Para 3: the method

   Para 4: the discovery    Para 5: the result and conclusion      Para 6: the suggestion

2. Show pictures of water pump and teach handle

3. Careful reading: Read the text carefully and fill in the chart (Ex 1, p3)

    

Step 4 Discussion

1.  (Group work) Discuss how John Snow investigate cholera. Put the stages in examining the disease in the right order.

Draw a conclusion    Think of a method    Collect results     Make up a question    

Find a problem       Analyse the results    Repeat if necessary

2.  P3, Ex2, Q3: Do you think John Snow would have solved this problem without the map? Give your reasons.

Step VI. Homework

1. Finish P4, Ex 1,2(on SB) Ex3 make sentences on exercisebook (make one’s way to, make up one’s mind, make sure, make room for)  

2. Find out the phrases according to the Chinese (part 1 on the paper for language points)

3. Retell the story John Snow Defeats “King Cholera” by following the 7 steps

   4.  Read notes to Unit 1, find out some difficult points while reading the text