1、Unit 3 The environment and usLesson 19【学习目标】1To learn the meaning and simple usages of new words and phrases.2To understand and use the sentence patterns.【学习重难点】1To learn to use some new words to describe trees.2To learn to introduce trees to others.【学习过程】一、新知学习1Trees are important in many _.2单词翻译。p
2、rotect_land_environment_chase_shade_important_3Write T or F after each sentence.(1) Some animals climb up trees when they are in danger.(2) Trees keep the Earth cool because they give shade.(3) People should cut down trees and use the land to grow crops.二、达标检测1Trees are important to _. Monkeys and squirrels spend much of their time in trees.2Trees are important to the _. They clean the air and water.3Sadly, people cut down many trees in the _.
