unit3_a_healthy_life_公开课.ppt

Unit 3. A healthy life Warming up Reading Paragraph 1 What picture does the writer try to describe ? An 81-year-old man having a 20-km bike ride. What idea does the writer try to convey? A long and active life is due to the healthy life one lives. Paragraph 2 Why do you think the writer mentionshis own experience of smoking? To make his advice more convincing令人信服的 3 ways to become Homework Try to find some other useful ways to help smokers quit smoking on the Internet. Read the passage again and find out the important words and structures. First wealth is health.—— Emerson 爱默生健康是人生第一财富。 Language Points P1 1 by the end of 是“到......末”的意思，后边跟不同的时间会有不同的含义和用法。A 跟将来的时间，就用一般将来时，如By the end of next month，I will finish reading this book.(到下个月末，我将读完这本书）。 B 跟现在的时间，就用现在完成时，如By the end of this week ,I have written two books .(到这个星期末，我已经写了两本书了） C 跟过去的时间，用过去完成时By the end of last month ,I had planted thousands of trees.(到上个月末，我已经种了数千棵树了） 2 at the end of 后边可以跟时间和地点名词，表示“在......末 如at the end of this month 在这个月末, at the end of last month ,at the end of next month , at the end of the road 在路的尽头 等due to, because of与owing to的区别 三者均可表示“由于”、“因为”，按照传统语法：due to 主要引导表语，而 because of, owing to 两者都主要引导状语。如： His illness is due to bad food. 他生病是由于吃了不好的食物。 The accident was due to careless driving. 这次车祸起因于驾驶疏忽。 He can’t come because of the bad weather. 他不能来是因为天气不好。 Owing to the rain, the match was cancelled. 比赛因雨被取消了。 但是在现代英语中，due to 也可用来引导状语，而 owing to 也可以用来引导表语。如： 由于交通拥挤他迟到了。 正：He was late due to [owing to, because of] the very heavy traffic. 正：Due to [Owing to, Because of] the very heavy traffic, he was late. because of 通常只用来引导状语，若引导表语，主语通常应为代词。如： It is all because of what you said. 那完全是因为你的话。 This brings me to the real reason for my letter. This brings me to the real reason why I wrote the letter. Your mother tells me that you have started smoking and that you are finding it difficult to give up. find/ think / consider / make / feel it adj to do 我们发现很难按时到那里. We find it difficult