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2. Ss look at the projector.
(T looks up the six words in the dictionary and writes down the page numbers.)
3. Discuss: Which word comes first? Which one comes next? Why?
4. The words in a dictionary are in alphabetical order from A to Z. This helps us find the words quickly.
Look at the words on the blackboard. Because “a” comes before “b” in alphabetical order, all the words beginning with “a” comes before the words beginning with “b” in a dictionary.
5. Discuss: If two words start with the same letter, what should we do?
If the first two letters are the same, what should we do?
If the first three letters are the same, what should we do?
6.If two words start with the same letter,we look at the second letter to decide which comes first. If the first two letters are the same,we look at the third letter,and so on.
Step 3 Practice
1. Put the words in Part A in alphabetical order and write down the numbers 1-8 in the blanks.
2. Do you see the word in the top corner of each page? That’s the guide word. Guide words tell us the first and the last words on a page in a dictionary. They tell us whether the word we want is on the page or before or after it. Guide words can help us find the correct page quickly.
3. Now let’s learn how to use the guide words. Look at Part B. On the left are some page numbers and guide words from a dictionary. Write down the page numbers for the words on the right.
Step 4 Consolidation
1. Look up the words in a dictionary and then tell us the Chinese meaning.
1) hen _________ 2) brick ________
3) infant __________ 4) biscuit _________
5) magazine _______
2. Look up the new word in a sentence and guess the Chinese meaning.
1) Every coin has two sides. _______________________________.
2) No pain,no gain._______________________________________.
3. Read a part of the novel The Life and Strange Surprising Adventures of Robinson Crusoe.
‘I want to be a sailor and go to sea,’I told my mother and father.They were very unhappy about this.
‘Please don’t go,’my father said.’You won’t be happy,you know.Sailors have a difficult and dangerous life.’And because I loved him,and he was unhappy,I tried to forget about the sea.
But I couldn’t forget,and about a year later,I saw a friend in town.His father had a ship, and my friend said to me,’We’re sailing to London tomorrow.Why don’t you come with us?’
Step 5.Feedback课后
作业Revise the usage of a dictionary.
Finish the homework of WB.教学
反思