云南省芒市中学高一英语《Unit 19 Modern agricultureThe 3rd &4th period》学案一:学习目标1.重点短语（中译英）： 1.________________ 对……友好 2______________ 依靠, 依赖 3. ______________缺4 ____________ 在土壤中 5____________ 换句话说 6___________ 各种各样, 多种多样 7_______________在合适的时间 8._____________ 播种 9_____________违反, 反对 2 . Fill the following form:.Agriculture Advantages Disadvantages Traditional farming Modern farming Hi-tech farming二: 问题与例题1.Questions:1.)Q1: What’s the biggest problem to Chinese farmers?Q2: What does GM mean?2).Q 1. How much does arable land take up in China?Q 2. How many ways are mentioned to make the land produce more? Q 3. What does new techniques mean?Q 4. When did scientist start to develop new techniques?2. Scanning : True or False(1). No advanced technical information was brought in from abroad before the 1980s. (2).Traditional methods of farming have no advantages so they won’t be used in future agriculture. 用心 爱心 专心1(3).The average arable land for each Chinese is much less than that of the world. (4). Growing vegetables in greenhouses has so many advantages that it can reduce losses caused by bad weather and that it can partly settle the problem of the shortage of arable land. (5). GM is a new technique that can make a plant quite different from what it used to be, bigger and healthier and with no diseases, but it takes longer time to grow. (6). The GM technique can only be used on plants, but not on animals at the present time. .3. SkimmingAsk the Ss to read the passage carefully and find the topic sentence for each paragraph.Para 1 __________________________________________________________ Para 2 ______________________________________________________________ Para...
