长沙市雷锋学校英语向绍莲课件unit2Reading(I).ppt

1、Welcome to our class.,长沙市雷锋学校 向绍莲,Step 1 Pre-reading,traditional farming,modern farming,?,.,Unit 2 Modern Agriculture,Reading,Step 2 While reading,Task 1 Fast reading,Q1: Whats the biggest problem to Chinese farmers?,Q2: What does GM mean?,The shortage of arable land.,“G” stands for “genetically” “M

2、” stands for “modified”,(changed),Task 2 Listening,Which of the following sentences are true ( T ) and which are false ( F ) ? ( ) 1.China is a very big country, only six percent of the land can be used for farming. ( ) 2. Farmers in China have long used techniques such as fertilisation and irrigati

3、on to make their land produce more. ( ) 3. In the 1980s scientists started to develop new techniques to increase agricultural production without harming the environment.,F,T,F,( ) 4. Food production is as important as environment protection.( ) 5. The word “ which “ in the last sentence of the text

4、“golden rice, which will have more vitamins and can grow in poor soil.” refers to GM watermelons.,T,F,1.Choose the best answers.,1 In China only seven percent of the land is used for farming. This is _. A because farmers dont need more land to produce food for the whole population B because China ne

5、eds more & more land to build cities C because there are not enough farmers to work on the land D because the other land cant be used for agriculture,2 Fertilisation is a technique that is used to _. A make poor soil better B make wet land drier C make dry land wetter D grow vegetables with their ro

6、ots in water instead of earth,Task 3 Careful reading,3 Modern agriculture means finding ways to _. A increase irritation & stop using fertilisers B stop irritation & using fertilisers C increase production & be friendly to the environment D produce the same amount while taking better care of nature

7、4 In the sentence “ but in green houses where they are protected from the wind, rain & insects”, “they” means _. A greenhouses B roots C vegetables D tomatoes 5 In GM “M” stands for “modified”, which means “changed”. What changes is _. A the way in which poor soil is made better B the way in which C

8、hinese farmers work on their land C the way in which crops develop from seed D the way in which farmers take care of the environment,2.Divide the text into 4 parts and find the main idea of each part:,The 1st part the first paragraph,The 2nd part the second paragraph,The 3rd part the third paragraph

9、,The 4th part the fourth, fifth and sixth paragraphs.,Part 1:,Traditional agriculture in China.,Part 2:,The development of agriculture before the 1980s.,Part 3:,New techniques to protect environ-ment as well as increasing produc-tion from the 1990s.,Part4:,Ways to solve the problem of the shortage o

10、f arable land.,What are the ways?,1. Grow vegetables in greenhouses. 2. Use GM to create plants that produce more and bigger and better crops.,Group work,Discussion,Rice,Fertiliser,Good seeds,Machine,A piece of land,Good climate,Humans,1.What conditions are necessary for growing golden rice?,2. If y

11、ou are a scientist and you want to use GM technique to change some fruit , vegetables and animals . Please tell me your idea according to the form.,The watermelon is like block (砖块）.,A sheep has red wool .,A sheep has blue wool.,He can talk.,The fruit tree is shorter.,The cow gave birth to more babi

12、es.,They contain more vitamins.,Summary,The text tells us something about the situation of agriculture of our country. For example, its past and present, especially its future. At the same time, we also know that we must take care of the environment while we develop our agriculture. From now on, we should study hard and be ready to make greater contributions to the development of our agriculture.,Step