英语：unit3 protecting ourselves-grammar and usage学案（牛津译林版版选修10）

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Grammar and usage
Important Points:
the development of a text
Difficult Point:
the grammar and usage: the development of a text
Grammar
the development of a text
How is a text developed
A text should be written in the way that allows readers to move from one idea to the next easily. For a text to develop logically, we should include the following:
The title
The beginning paragraph
The body paragraphs
The concluding paragraph.
What should a title be like
It should not be too long and should be clear and simple, for example ‘Aids today’ ‘The search of happiness’ ‘The UN-bringing everyone closer together.
How do you understand these titles
‘Aids today’ is about the deadly disease of Aids at the present time.
‘The search of happiness’ is about hoe to find hapiness
‘the UN-bringing everyone together is about the functions of UN.
What should be included in the beginning paragraph
It should contain a topic statement
It should have supporting sentences
It should capture reader’s attention and keep them interested in reading the text.
Each body paragraph usually contains a topic sentence, some supporting sentences and a concluding sentence to the paragraph.
What should the topic sentence be like
The topic sentence contains the main idea of the paragraph and should be simple and clear for readers to catch its meaning..
Where can it be found
It is usually the first sentence of the paragraph
What are supporting sentences
Supporting sentences follow the topic sentence and provide details or proof to support it. They expand on the idea presented in the topic sentence.
What the function of a concluding sentence is in a paragraph
The last sentence of a paragraph sometimes introduces the main idea of the next paragraph.
How does the concluding paragraph function in a text
It should contain a final topic statement (or maybe a prediction) , or it could refer to the example mentioned in the beginning paragraph.
Consolidation
A Read the sentences and then decide which paragraph they belong to and what type of sentence each one is.
Homework
根据下列提示，以How to Stay Healthy(如何保持健康)为题写一篇100词左右的短文
1．健康很重要；
2．如何保持健康 (可从适当的营养、充足的睡眠、经常的锻炼方向考虑。)
第一段写虽然人们越来越重视健康，认为健康是最重要的财富，但对如何保持健康却不一定清楚，引出“我”的建议。第二段写“我”有三条建议，一是吃 富含蛋白质的食品、蔬菜和水果，不要吃得过甜、过油腻以及过量；二是保证充足睡眠，至少每天睡8小时，如有可能，也应午休；三是适度锻炼，因为“生命在于 运动”。第三段总结全文。
How to Stay Healthy
People are beginning to attach much more importance to their health these days than ever before. They begin to realize that good healthis the most valuable possession a person can have. However, many people don't know how to stay healthy although great efforts have been made in this regard. In my opinion, there are three things we can do if we want to be in good.
First, we should have the right food, because proper nutrition is the most important for good health. Avoid foods with lots of sugar and fat. Eat plenty of high protein foods, vegetables and fruits. Do not overeat. Secondly, we should get proper amount of sleep, because without enough sleep, we will often feel tired and irritable. Allow ourselves at least eight hours of sleep each day. Have a nap at noon if time permits. Finally, we should exercise regularly, because‘ life depends on exercise'. Regular exercise strengthens our hearts and lungs. In addition, it prevents us from putting on weight.
If everyone is to do so, there will be much less complaining about poor health and there will be much more happiness in our life.
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