八年级英语上人教版 建秋 Unit7 Will people have robots? Period 2 Section A (2d-3a) Unit 7Unit 7 Will people have robots?Section A2d-3a Lead-inRead the conversation and answer the questions.What will the future be like? Read2dCities will be more crowded and polluted. There will be fewer trees and the environment will be in great danger. 1. pollute v. 污染pollut(e) + ion→pollution n. 污染e.g. Bicycle is a good exercise. It doesn’t pollute the air. 自行车是一种好的运动，它 不污染环境。Air pollution is a great problem now. 现在空气污染是个大问题。Language points2. environment n. 环境e.g. Our living environment is much better now. 现在我们的生活环境好多了。3. planet n. 行星 earth n. 地球 e.g. The earth is a planet of the sun. 地球是太阳的一颗行星。 4. plant v. 种植；n. 植物e.g. They want to plant trees around the lake. 他们想在湖边种树。5 be in great danger 处危险之中6 save 可以当节约的意思，比如save water .save money .也可以当挽救的意思，例如：save one”s life 7. play a part in… 是一个固定短语，表示“参与……；在……中尽自己的一份力量”e.g. He didn’t play a part in making this decision. 他并没参与做出此决定。part n |
