流利说 D50 2018-08-14 二

一、复习

Level3-Unit3-Part4*Learning-

• Listening-"Leonardo da Vinci 2"-D49-18/08/12

二、学习

Level3-Unit3-Part4*Learning-

• Vocabulary-"Sources of Pollution"

1、As a result, many companies are trying to produce more efficient and cleaner cars.

2、They need to be safely transported[v.运输] and stored in a safe place.

3、Animal wastes and other chemicals flow[n.泛滥、流量//v.流动] into the ground and pollute water supplies[污染水源].

• [动物排泄物和其他化学物质流入地下，污染水源]

• Animal wastes can pollute water supplies.

4、Factories like this one allow harmful chemicals to get into the air or water.

5、Waste water and carbon[碳] gases from farm animals are bad for the environment.

• [农场动物产生的废水和碳气对环境不利]

  ADD
  

1、Pesticides[农药] and fertilizers[化肥] are used by farmers to grow crops such as fruits and vegetables.

• pest"害虫"，词尾“cide”有杀掉的意思，所以组合为pesticide指“杀虫剂”

2、Exhaust[v./n.排气/用尽] gases from automobiles are a major cause of air pollution and global warming.

3、Companies need to try harder to protect the environment and our health.

• environment 表示“自然环境、生态环境”时，前面需+"the"