上海牛津高二第二学期.pptxVIP

For health and beauty;How often do you exercise? What is your favourite type of exercise? Why? Can you think of any other ways to stay healthy or beautiful? Do people do more or less exercise now than before? Why is this?;;Para 1 (line 1~7): Introduction What is the topic sentence? Aerobics is one of the most beneficial and also one of the most beautiful forms of exercises. What is the purpose of aerobic exercises? Making the heart and lungs work at a higher rate so as to supply more oxygen to the muscles. What’s the benefits of aerobics? (heart, blood pressure, bones, sleep, fat, energy, stress….);Para 2 (line 8~14): Amount of aerobic exercise necessary To what length (how often) should we do aerobic exercises? Twenty to forty minutes, three to four times a week. What should people who are not fit do? Keep their pulse rates low and do moderate exercise for a longer time. What should people who are fit do? They can do exercises that require large amounts of energy. They can even compete in marathons.;Para 3 (line 15~21): Forms of aerobic exercise What are these forms? Running, swimming, cycling, skiing, walking… What are the advantages of these exercises? Our responses get quicker, our mind sharper, and we become more efficient and productive.;Para 4 (line 22~23): Summary To sum up, aerobic exercise is good for everyone. It can lead to a better quality of life!;1. aerobics 用单数 英语中，许多s结尾的词，单复数的把握需注意。 1)学科名词和国家，机构多用单数。 physics, mathematics, politics, economics, mechanics(机械学）, statistics（统计学）, the United States, the United Nations. 2)以复数形式使用的名词 arms, clothes, goods, stairs, thanks, wages, belongings, surroundings, manners, savings 3)单复数同形的词 series, means, species, works;A series of pre-recorded tapes has been prepared. There are two series of science readings. Every means has been tried to save his life. ;2. beneficial (adj.) be beneficial to 对……有益 A proper amount of relaxation is beneficial to our study. Re