冀教版八年级英语(下)lesson 7Planting Trees.ppt

* Lesson 7 Planting Trees 自主学习要点： 1.Do you know these words ? hillside, dig, hold, environment, serious, sand, land, area, desert, suppose, nature hole, large, root, seedling, cover, fill , pack, dust, storm, dirty, northern, bottom, 2.Answer the questions: 1) When is Tree Planting Day in China? 2)Have you ever planted trees? 3)What are the steps for planting a tree? 4).Do you know the Green Great Wall? 5).Do you think the plants are very important to the lands ? New words and phrases: 1.hole n. 洞 2.large adj. 大的；巨大的 3.root n. 根 4.seedling n. 幼苗；秧苗 5.cover n. v. 盖子；覆盖 6.fill v. 裝满；充满 7.dirt n. 泥土；汚物 8.dirty adj. 不干净的；肮脏的 9.dust n. 沙土；灰尘；尘土 10.pack v. 堆积；压实；装箱 11.northern adj. 北方的 12.bottom n. 底部；最下部 自主检测 自主检测： 1.将下列短语翻译成汉语: 1) the roots of the seedling 2) large enough 3)dig a hole 4) on the hillside 5)enough to do 6)fill…with 7)pack…with 8)a dust storm 9)turn…into 10)for sure 11) cover…with 12)be filled with 2.Have a try: a) List the steps of planting trees. b) List the reasons of planting trees 重难点点评： 1.enough …to do sth. “足够干某事” I have enough money to buy it. He is old enough to go to school. (此短语注意to后的动词要用原形； enough修饰名词和形容词副词时 位置不同。) 2.fill …with 把…装满… He filled his bottle with water. be filled with 是其被动形式可以 和be full of 进行互相转换 His bag is full of books.= His bag is filled with books. 3.rember to do sth.记得要做某事 remember doing sth.记得做过某 事 Please remember to lock the door. (门没锁） I suddenly remembered leaving my keys in the office. (“落”这个 动作已经做过了） *