d711b467b3114e6582bb629c34bb0e31.doc

Chapter 2 Computers一. 教学内容：Chapter 2 Computers Reading 2（一）课文语言知识讲解（二）课后练习题答案二. 本周知识总结与归纳：（一）课文语言知识讲解1. be unaware of没注意到 be aware of 注意到 There may also be tiny, hidden computers in your home that you are unaware of.＝There may also be tiny hidden computers in your home that you don’t know about.2. depend on 依靠，依赖 So maybe you depend on computers more than you realize.＝So maybe you need/relay on computers more than you realize.3. common knowledge 众所周知的事情 It’s common knowledge that computers are super calculators.＝It’s something known by everyone that computers are super calculators.4. calculator n. 计算器 calculate v. 计算 calculation n. 计算 Computers are super __________. They can __________ very fast and they can do the __________ accurately. 5. rarely/seldom很少（在句中表示否定） Computers rarely give wrong answers.6. for the time being 目前 The answer to the question is, for the time being, “No.”＝At present, the answer to the question is “No.”7. be better than… at (doing) something Computers may be better than doctors, judges and teachers at doing their jobs.8. raise questions 引起注意，提出问题 If it is true, it raises interesting questions.＝If this is true, it brings interesting questions to our attention.9. essential adj. 非常重要的，必要的 ＝very important and necessary The program is written by a human being, and it is essential that the human does not make a mistake.10. listen to sb. speaking 听演说 You can use your computer to read about a famous person in history, and listen to him speaking.（二）课后练习题答案 P20 Find the meaning C1C2 D Read and think- 3 -用心 爱心 专心。