人教版英语必修二Unit 4复习课件.ppt

英语 英语 Unit 4　Wildlife protection 早读晨背积累 基础知识梳理 考点知识导练 早读晨背积累 促联想 扩写作 专家悄悄地告诉你: 一日之计在于晨。只有日积月累,才能集腋成裘。 Dear Sir or Madam, I’m a student from Chongqing,China.I am writing to tell you that Yangtze finless porpoises(长江江豚) are becoming extinct because human activities have a bad effect on them. The number of them is less than 1,000,so I hope you can take some effective measures to protect them.My suggestion is that you should finance some programmes to make people aware of the serious situation of the finless porpoises and protect them.I would appreciate it greatly if you could take action at once. Meanwhile,I am looking forward to hearing from you as soon as possible. Yours sincerely, Li Hua 1.challenge n.挑战　 2.consequence n.后果 3.environment n.环境 4.species n.物种 5.creature n.生物 6.survival n.幸存;存活 7.extinction n.灭绝 8.disappearance n.消失 9.overfish v.过度捕鱼 10.attach great importance to 十分重视 11.take effective measures 采取有效措施 12.in harmony with nature 与自然和谐相处 13.in ruins 严重受损 14.die out 灭绝 15.escape from 从……逃跑 16.There is no denying that...无可否认…… 背精美语篇 读话题词汇 基础知识梳理 抓主干 固双基 知识梳理 限时15分钟 1. /k?n′teIn/ vt.包含;容纳;容忍→n.容器;集装箱 . 2. /?′fekt/ vt.影响;感动;侵袭→n.作用;影响 →n.喜爱;钟爱 . 3. /?′pri??IeIt/ vt.鉴赏;感激;意识到→n.感激;欣赏;赞美 . 4. /s?k′si?d/ vi.成功 vt.接替;继任→n.成功 →adj.成功的 →adv.成功地 . 5. /hɑ?m/ n. vt.损害;危害→adj.有害的 →adv.有害地 . 6. /Im′pl?I/ vt.雇用;利用(时间、精力等)→n.受雇者 →n.雇主 , 7. /′m??sI/ n.仁慈;宽恕;怜悯→adj.仁慈的;宽大的 →(反义词) adj. 毫不怜悯的;无情的 . 8. /pr?′tek?n/ n.保护→vt.保护 . 9. /l?s/ n.损失;遗失;丧失→vt.遗失;丢失 →n.(比赛的)输者;败者 →adj. 迷路的;迷失的 . 10. /rI′sp?nd/ vi.回答;响应;做出反应→n.响应;反应;回答 . 11. /′dIst?nt/ adj.远的;远处的→adv.远地 →n.距离 . 12. /?′ten?n/ n.注意;关注;注意力→v.注意;专心 . 13.