文档介绍：
ted above. (学习上列单词和短语。) the students to know the development of modern agriculture in china.（让学生了解中国现代农业的发展。）
difficult points(教学难点) the following sentences correctly. is on this arable land that the farmers produce food for the whole population of china. make as much use of the land as poible, two or more crops are planted each year where poible. to help the students understand the paage better. (怎样帮助学生更好地理解这篇课文) methods(教学方法) -based method(任务型教学法) (略读法) reading (细读法) aids:(教学协助手段) blackboard procedures (教学过程) step i greeting and leading in (4 minutes)(引入，4分钟) t:how much do you know about agriculture? do you often help your parents to do some farming work? (let students think about these questions and show their ideas.) 设计目的：激发学生的学习爱好，让学生主动参加。 step ii pre-reading (5 minutes)(读前，5分钟) let’s look at some pictures in the pre-reading part on page45 of your textbook. students to claify the pictures in the following way: traditional farming (1 3 5) agriculture modern farming (2 4 6) hi-tech farming (7 8) 设计意图：（1）激活学生已有的信息，使学生具备摄入新学问的心理定势。
（2）激发学生的学习爱好。
（3）帮助老师引入课文的主题。 step -reading(17 minutes)(读中，18分钟) (4 minutes) (跳读，4分钟) ask the students to read the paage reading, find out the main ideas of each paragragh (on the screen). agriculture in general in china modernization in farming techniques balance between food production and environment greenhouse– a solution for the shortage of arable land gm used in agriculture gm research on tamato （show the poible answers on the screen)(将参考答案显示在屏幕上) 学生活动：学生快速阅读课文，了解课文大意。
设计意图：训练学生快速阅读，归纳各段落的中心愿思的实力。（skimming for the main idea）
(10 minutes)(查读，10分钟) g