河北省唐山十六中八年级英语 grade 8 lesson14 people and plants学案无答案 冀教版.docVIP

【课题】：Lesson14 People and Plants 【课型】：New 【课前预习】 教学目标： 一．熟读并掌握本课的四会单词 corn wheat shelter furniture straw ink 二．掌握以下短语 1.由…制成?? 1. 看起来很好 ???????? 2.用....做… 3. 用很多方式 4.八万不同的植物 5. 世界上一半的食物 6. 草帽 三．朗读课文，理解下列重点句子，并把他们译成汉语 1 . Which do you eat more, plants or meat? These apples look good. There are about eighty thousand different plants in the world that people can eat. But half of the worlds food comes from only three plants: rice,corn and wheat. We use wood from trees to build houses and furniture. Doctors use medicine to help sick people. Cotton is made from the cotton plant. Do you have a hat made of straw? We cant live without plants. 四．知识点预习 1. But half of the world’s food comes from only three plants:rice,corn and wheat.但是全世界的食物中，有一半只来自于三种植物：大米、玉米和小麦。 half of意思是“…中的一半”,当它所代指的是不可数名词时,代表单数.若其后所接的是可数名词复数时,也同样代表复数概念.例如: Half of his money (be) spent on books. Half of the students in our class (喜欢)math. 全部的 四分之一的 2. Doctors use medicine to help sick people.医生用药来帮助病人。 (1)use sth to do sth “用。。。来做。。。”，其中to do sth表示目的和用途，例如： She uses the bottle to keep water.