| 模块5 Unit 3 Word power(译林牛津版高二英语必修五教案教学设计) |
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Teaching objects: 1. learn prefix and suffix and learn to guess meanings based on prefix and suffix 2. learn organs of the body Teaching procedures: I Prefixes and suffixes Step1 Lead-in Please use the proper form of the words below to answer questions! able agree lead appear novel regular respect 1. You can’t find your pen. What happened to your pen? 2. You want to get the book on the top shelf, but you are not tall enough. Do you think you will be able to reach the book? 3. The two groups don’t agree with each other. They argued fiercely. So what is the problem between them called? 4. Many people respect Mr. Li and think he is a good man. He helps people out and is a good citizen and friend. So can you find a word to describe him? 5. Mr. Wang has published several books. He loves his job writing novels. So what is Mr. Wang’s occupation (职业)? 6. You can’t find the order of the numbers in a group of members. So can you find a word to describe the order of the numbers? 7. Some ads say that if you take their pills, you’ll be healthy, look younger, become smarter and sleep better. What can you say about these ads? Step2 Prefixes and suffixes Sometimes you can guess what a word means by looking at its prefix or suffix. Look at the left-hand column of each table. Try to find some examples and work out the meanings. Prefix Example Meaning anti- dis- in- il- im- ir- pro- re- un- Suffix Example Meaning -able -ful -ist -less -ment -ness Step3 Practice 1. Do you think we should protect nature? Complete what an environmentalist is saying below. Use the following words. disrespect hopeless illegal uncertain understandable I think cutting down trees should be made ________and tighter laws should be introduced. So many people are showing their _________ for nature; they don’t seem to care that they are destroying the environment. Sometimes I think we’re fighting a _________battle against people who just don’t listen. I know scientists have worked hard to achieve scientific breakthroughs but it’s ___________whether they’ll ever succeed totally. Although it’s _______________ that they want to advance technology, I think some things are best left the way they are. 2. More practice about prefixes and suffixes Ⅱ Organs and the body Step4 Learn organs and the body through the picture Step5 Practice Complete the following passage using the names of the organs above: Think of the body like a school. At the top of the school is the headmaster, known as the (1) _______. This is the organ that controls the rest of the organs, just like the headmaster controls the school. After this comes the (2) ________. It is like a teacher. This organ passes the blood around the body so it can run well. This is similar to the knowledge a teacher gives to students. Next is the (3) _______, which is the student. This organ is the only one that can re-grow itself. It helps to clean the blood. This is like knowledge students get from teachers. Students always grow with newly found knowledge. The (4) _________are the organs of the body that use the oxygen we breathe. Think of the oxygen as the life you lead at school. The (5) ____________ is very useful as it stores the food we eat until we can digest it properly. This is similar to the learning process. We store the information until we need to use it. So this organ is like a notebook. The (6) ___________are the organs that remove waste products from the blood and produce urine. Step6 Homework 1. Try to remember as many words and expressions about prefixes and suffixes. 2. Keep the names of the organs in mind. |
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