(
课件网) Read and understand Teaching aims: To help students learn how to find the topic sentence of each paragraph. To help students get the main idea of the passage. To help students retell the passage. Important points: To help students get the main idea of the passage. To help students retell the passage. Difficult points: To help Ss get the main idea of the passage. To help Ss retell the passage. Task 1.--Free talk: What do you usually do after finishing your homework computer Something more you’d want to know Task 2. Guess the new words and tell us how. In space, computers help astronauts and pilots control the speed and direction of a spaceship’s flight. 2. With the help of computers, doctors can find diseases easily and solve other problems. 3. Tiny computers inside people’s bodies keep their hearts beating well. 宇航员 疾病 微小的 adj. Read and remember astronaut disease tiny 宇航员 疾病 微小的 Task 2. -- New words Task 2. -- Check your understanding. astronaut disease tiny 1. We stayed in a _____ hotel during our stay in Guiling. 2.The first _____ who was sent to the moon was an American. 3. Nowadays, most _____ can’t cause death. tiny astronaut disease Task 3. Skim the passage 1. Read through the passage quickly and silently. 2. Number the paragraphs. 3. Underline the first sentence of each paragraph. Pay attention to the first sentence of each paragraph. Para 1. Computers have become very important in many areas of work and play. Para 2. There is no doubt that computers are very useful in technology and business. Para 3. Since the Internet came into being, people’s lives at home have changed, too. Para 4. Computers have improved our lives, but they have brought problems, too. Task 3 -- Skim the passage We can divide the passage into 3 parts. Part 1 _____ Part 2 ___ --___ Part 3 _____ Computers are useful in technology, business and home. Computers have brought problems, too. Computers are very important in many areas. 1 2 3 4 Task 3 -- Skim the passage Conclusion: The first sentence is usually the topic sentence of a paragraph. Task 4. Scan the passage.--Part 2 Read paragraph 2 carefully by yourselves. Then find the answers. technology 1. In space, …… 2. Doctors can …… 3. In factories, …… business 1. Computers are used to _____. 2. They have made the workplace _____. place and cancel orders safer and better Task 4. Scan the passage.--Part 2 Recite and retell in groups of 5. technology 1. 2. 3. business 1. 2. Task 4. Scan the passage--Part 2 Read paragraph 3 and answer the questions one by one: What do people use computers to do at home People use computers to play games watch movies do shopping do business send e-mails chat on line Task 4. Scan the passage -- Part 3 Discussion: What problems can computers bring to us If we work on computers too long, we may …… If we play computer games too much, we won’t …… …… So, we must use computers properly. get headaches or ... ...
