1、Chapter 2 Computers一. 教學(xué)內(nèi)容：Chapter 2 Computers Reading 2（一）課文語言知識講解（二）課后練習(xí)題答案二. 本周知識總結(jié)與歸納：（一）課文語言知識講解1. be unaware of沒注意到 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 dont know about.2. dep

2、end on 依靠，依賴 So maybe you depend on computers more than you realize.So maybe you need/relay on computers more than you realize.3. common knowledge 眾所周知的事情 Its common knowledge that computers are super calculators.Its something known by everyone that computers are super calculators.4. calculator n. 計(jì)

3、算器 calculate v. 計(jì)算 calculation n. 計(jì)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 i

4、s “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，提出問題 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 聽演說 You can use your computer to read about a famous person in history, and l