牛津译林版高中英语必修四
Unit 3 Tomorrow' s world word power 教学设计
Teaching objectives:
1. To learn how to form abstract nouns from verbs and adjectives by adding suffixes. 2. To know some words related to computers and to apply them practically.
Teaching procedures:
I Forming abstract nouns from verbs and adjectives Step 1 Lead-in
Finish the sentences with the words in blanket.
1. Many wild animals _______________ have disappeared because people have destroyed their living environment. We have to take some actions to prevent the ___________ of wild animals. (disappearance； disappear)
2. The new motorway between the two cities has finally __________. It’s good bows for people who have to travel a lot there.
The manager made a speech at the __________ ceremony of the supermarket. (open； opening) 3. Thanks to his ___________， we are all saved， and all of us think he is such a _______ person. (kind； kindness)
4. The man carried the boy to __________ as the train come over， and the boy was _________ at last.
Step 2 Introduction
Make comparison between individual nouns and abstract nouns.
Tip: an abstract noun is a noun that refers to an idea， an action， a general quality or something that we can’t see or touch directly. Step 3 Forming rules
Group 1:verbs→abstract nouns
More examples: verb+ing (feel→feeling) Verb+ure (fail→failure) Verb+ance(enter→enterance)
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Verb+ence(differ→difference) Verb+ment(develop→development) Verb+ion (connect→connection) Verb+ation(present→presentation) Group 2:adjectives→abstract nouns More examples:adj.+ ty (cruel→cruelty) Adj.+ness(ill→illness)
Tips:Sometimes we need to change the final letters of a word before adding suffix: produce→production silent→silence decide→decision pretty→prettiness please→pleasure
Step 4 Additional information
Most abstract nouns are uncountable， only a few of them are countable: hope→a hope； idea→a idea； situation→a situation youth(青春)→a youth(青年人)； power(电力)→a power(大国)；
beauty(美丽)→a beauty(美人，美的东西) Step 5 Exercise(P46) II Words related to computers Step 1 revision
Have Ss look at the picture and revise names of some parts of the computer. (screen， monitor， speaker， keyboard， mouse， CD-Rom， printer) Step 2 Words expand
Teach Ss to learn more words related to computers， especially the most up-to-date hardware: (hard drive， floppy disk， floppy disk drive， U-Disk， ROM， RAM， CPU) Step 3 practice
Finish the exercise to apply these words practically. Step 4 more words related to computers
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Choose the right words to complete the sentences: scanner， sound card， CD-writer， network card
1) If we haven’t sound card， we can’t enjoy the beautiful music by computers.
2) If we want to surf online， we just need to connect the computer with cables by network card. 3) Your photos are so beautiful， and I can use the scanner to copy them into my computer. 4) Sometimes the information in the floppy disk is easily to be destroyed， so we can use a CD-writer to store the information for a long time. Step 5 Homework
1.Revise what we have learned in this period. 2.Preview Tasks
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