必修四_unit2_Warming_up

1、 Unit 2 Working the land Warming up 高一人教新课标版必修四高一人教新课标版必修四 Enjoy a Poem By Li Shen Farmers weeding at noon, Sweat down the field soon. Who knows food on a tray, Due to their toiling day. What do you know about “farming”? wheat rice corn potatoes peanut tomatoes sorghum cotton Agriculture in the past

2、 Agriculture in the modern times Have you ever been to the countryside? What did you see or do there? Are you from a farmers family? What do you know about farming? ploughing(犁田犁田) seeding (播种播种) fertilizing (施肥施肥) irrigating (灌溉灌溉) harvesting (收获收获) winnowing (扬谷扬谷) grow some young plants insert th

3、e young plants into the field Have you ever grown any plants? If so, what did you do to grow them? If not, what kind of plant would you like to try growing? How would you grow it? rice Read the statistics below. Did you know these facts before? What problem do they show? What is the main food in all

4、 East Asian and Southeast Asian countries? Rice. It is said that there are 2.4 billion people who eat rice every day throughout the world. If that happened, people might die of hunger. The whole world would get into trouble. What do you think would happen if tomorrow there was suddenly no rice to ea

5、t? Hunger n. 饥饿饥饿, 饥渴饥渴; 渴望渴望 vi. 渴望渴望; 渴求渴求 Do something to help end hunger in the world! The only way to solve the food shortage problem is to increase the yield of the grain crop per land area through the advancement of science and technology. In the late 1990s, Brown, an American scholar, came u

6、p with the theory of Chinese Menace(威胁威胁), which said that in the 2030s, Chinese population will add up to 1.6 billion, and had the question who would feed the large population in China as well as in the world. Just at that time, a Chinese scientist declared to the world that China can solve the problem by himself and help to solve the same problem in the world. Yuan Longping “Father of Hybrid Rice” 辣椒辣椒 杂交棉杂交棉 杂交梨杂交梨 重穗型超高产杂交稻重穗型超高产杂交稻 杂交甜椒杂交甜椒 杂交茄子杂交茄子 杂交玉米杂交玉米 Brainstorming What will you think of when you see the word “farming”? farming farmers field rice fertilize