Unit3 Lesson 17 Save the Tigers（同步课件）-八年级英语下册同步精品课堂（冀教版)

Unit3 Animals Are Our Friends Lesson 17 Save the Tigers lead-in 1. They usually have orange fur（n. 皮毛） and dark stripes. 2. They live in the forest. 3. They are brave（adj. 勇敢的）. 4. They are symbols（n. 象征）of strength and courage（n. 勇气）. 5. They are the kings of the forest. Can you guess? What are they? Pre-reading Make a guess. What does this lesson talk about? Guess some questions . Who Why When What How 1.century n.世纪 2.fur n.（兽类的）毛 3.symbol n.标志；象征 4.courage n.勇气；胆量 5.brave adj.勇敢的；无畏的 6.chain n.链子；链条 7.balance n.平衡；平稳 8.reason n.原因；动机；理由 9.disappear v.消失；失踪 10.kill v.杀死 11.cut v.(cut/cut)砍；切；剪；割 12.decrease v.使……变小；减少 Can you read? 反：appear v.出现 反：increase v.增加 new words fast-reading Read the lesson and match each paragraph with its main idea . A．Tigers are in danger of going extinct . B．“Save the Tigers” is a volunteer group that hopes to stop the tigers from disappearing . C．Tigers are important to the environment . B C A How much do you know about tigers? The tiger is at the top of the food chain（食物链）. It helps the number of other wild animals in balance（保持平衡). At the beginning of (在...之初）the 20th century （世纪） the number of tigers But now the number of tigers is decreasing（减少）and it drops to（下降到） a few thousand. What are people doing? People kill（杀死） tigers and cut down（把...砍倒) trees. For this reason（原因），tigers are in danger(处于危险状态） of disappearing（消失）. Do you think tigers need our help？Why or why not? Read Para. 1 and answer the questions. ( group 1) 1. How many tigers were there at the beginning of the 20th century? 2. How many tigers are there in the wild today? Around 100 000. The number of tigers has dropped to a few thousand. 课文呈现 “Save the tigers ” is a group of volunteers. ① These volunteers hope to save the tigers of the world . ② At the beginning of the 20th century，the num