【正文】
Unit 3 Modern machines Reading Prereading 1. Look at the titles and pictures, guess what we are going to learn? 2. How many parts are there in this passage? puter 3 ● Hidden helpers ● What kind of jobs can a puter do? ● Is a puter cleverer than I am? 3. Finish exercise B (P44). Look and think Keys: 1. Correct 2. Correct 3. are already cleverer are not cleverer Discussing in groups Whilereading 1. Many years ago, we could see puters everywhere. 2. There are lots of small, hidden puters in our home. 3. Computers are the best calculators in the future. 4. We call puters the electronic brains. 5. For the time b