冀教版八年级下unit2plantaplantlesson10课件

Lesson 10 Plant Plants！,New words:,1.sunlight n. 日光;阳光,2.feed v.( fed / fed) 喂养,3.billion n. 十亿;千兆,THINKIT!,*How many plants do you think there are in the world? *How many plants can you name?,*How many parts do plants have? And what are they? *Why do plants have flowers?,Questions,A plant has main four parts. They are flowers, stems, leaves and roots.,Because flowers make seeds.,1.Flowers, leaves and stems grow above ground. Roots grow below ground.,Language notes:,注意:above和below可以用于表示度数或海拔,on 指“在上面”，面和面接触；above 指“在上方”，“高于”某 物,不一定垂直，； over 指“在正上方”，强调垂直 关系，不接触，,Ex. 1) There is a map_ the wall. 2) The light is_ the blackboard. 3) There is a bridge_ the river.,above,over,on,below 与above相对,指“在下 方”，“低于”某物，不一定 垂直 under与相对over，指“在正下” , 强调垂直关系，不接触。,Ex. 1) The ball is_ the chair.,2)She painted green lines _ the circles.,3)The temperature will stay_ zero in the day ,but it will fall_ zero again at night.,under,below,above,below,2.Plants have flowers because the flowers make seeds.,注意:不可以与表示 “所以”的so连用。,because 连词,“因为”,=I got many birthday gifts so I was very happy.,3.The seeds of the rice plant feed billions of people.,*hundred, thousand, million, billion前出现具体数字时,本身用单数形式.,e.g. two hundred three thousand four million five billion,eg. hundreds of (上百的) thousands of (上千的) millions of (数百万的) billions of (数十亿的),*hundred, thousand, million, billion表示一个笼统的概念时用做复数,常与of 连用。,Roots,Stems,Leaves,Flowers,Do you know?,Fruits,Seeds,Exercises,1.There are five _ students in our school. A.hundred B.hundreds C.hundreds of D.hundred of,2.There are _ people in the world. A.billion B.billions C.billions of D.billion of,3.Which sentence is right? A. So I wont go out because its raining now. B. I wont go out so its raining now. C. Because I wont go out so its raining now. D. I wont go out because its raining now.,4.-What are leaves_? -Leaves make food for the plant. A. to B. for C. in D. at,5.The stem holds the leaves and flowers in_. A. a sunlight B. an sunlight C. the sunlig