高中英语 Unit 5 Working the Land导读 话题妙切入学案 新人教版选择性必修第一册-新人教版高二第一册英语学案

Unit 5 Working the LandLittle drops of water, little grains of sand, make the mighty ocean and the pleasant land.—Julia Carney滴滴小水珠，颗颗小沙粒，会形成浩瀚的海洋与宜人的土地。——朱莉娅·加纳Nature never deceives us; it is always us who deceive ourselves.—Rousseau大自然永远不会欺骗我们，欺骗我们的往往是我们自己。——卢梭Other men live to eat, while I eat to live.—Socrates别人为食而生存，我为生存而食。——苏格拉底It is not enough to be industrious, so are the ants.What are you industrious for？—H.D.Thoreau光勤劳是不够的，蚂蚁也是勤劳的。要看你为什么而勤劳。——梭罗A man may lead a horse to the water, but he cannot make it drink.—Heywood一个人可以把马带到河边，但他不能令它饮水。——希伍德Never give upNever give up，Never lose hope.Always have faith，It allows you to cope.Trying times will pass，As they always do.Just have patience，Your dreams will come true.So put on a smile，You'll live through your pain.Know it will pass，And strength you will gain.Born in a poor farmer's family in 1930 and as a graduate of the Southwest Agriculture Institute in 1953, Yuan Longping began his teaching career at an agriculture school in Anjiang, Hunan Province.He came up with an idea for hybridizing rice in the 1960s, when a series of natural disasters and inappropriate (不恰当的) policies caused China to suffer a severe famine( 饥 荒 ) that led to many deaths.Since then, he has been devoting himself to the research and development of a better rice breed.In 1964, he happened to find a natural hybrid rice plant that had obvious advantages over others.Greatly encouraged, he began to study the elements(要素) of this particular type.In 1973, in cooperation with others, he was finally able to establish a complete process of creating and reproduc...