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2016-2017年人教版高中英语必修四unit


Do you know these grains (谷物)? sorghum wheat 高 粱 rice corn soybean cotton broomcorn peanut 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 grow? How will you grow it? select the weeds plough the soil turn over the soil farming steps sow the seeds remove the weeds fertilize Do you still remember the advices that Jia Sixie gave on farming? When we speak of farming, what words can we think of? crops weather &climate sowing ploughing irrigating (灌溉) rice transplanting (插秧) Farming some more expressions Ploughing (犁田) seeding fertilizing (施肥) irrigating (灌溉) transplanting 插秧 harvesting winnowing (扬谷) rice Answer the following questions: What is the main food in all East Asian and Southeast Asian countries? Rice. It is said that there are 2.4 billion people to eat rice every day throughout the world. What do you think would happen if tomorrow there was suddenly no rice to eat? ? ? ? ? suffer from starvation and starve to death. feel scared / be panic (惊慌). fight for food, even kill each other and the whole country would get into trouble. If you had the chance to do something to help end hunger in the world, what would you do? developing the improving the quality How to solve hunger? technology to… of the soil inventing a new kind of food… making good use of the waste land preventing the pests from eating our crops What do you predict this passage is going to talk a

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