人教版高中英语必修二全优 unit4课件 (共4份打包)

Period 1　Warming Up & Reading(1) In many countries today laws protect wildlife.In India the need for such protection was realized centuries ago. About 300 B．C.an Indian writer described forests that were somewhat like national parks today.The game of killing beasts was carefully supervised(管理)． The need for wildlife protection is even greater now than before.About a thousand kinds of animals are in danger of extinction，and the rate(速度)at which they are being destroyed has increased.With mammals(哺乳动物)，for example，the rate of extinction is now about one kind every year；from A．D.1 to 1800，the rate was about one kind every fifty years.Everywhere，men are trying to solve the problem of protecting wildlife while caring for the world's growing population. Ⅱ.中英匹配 1．reserve ________　　 2.harm ________ 3．employ ________ 4.appreciate ________ 5.affect __________ 6.contain ________ 7．mercy ________ 8.secure __________ A．vt.影响；侵袭　B．n.保护区　 C．n.仁慈；宽恕；怜悯 D．vt.包含；容纳　 E．adj.安全的；可靠的　 F．vt.雇用；利用(时间、精力等)　 G．vt.鉴赏；感激；意识到 H．n.&vt.损害 【答案】1.B　2.H　3.F　4.G　5.A　6.D　7.C　8.E Ⅲ.构词助记 1．increase (v.增加) 去掉in＋de- → __________ v．减少 2．lost (adj.失去的)＋-s → __________ n．损失；遗失 3．laugh＋ter → ________ n．笑；笑声 4．important＋ce → ________n．重要(性) 5．power＋ful → __________ adj.强大的；有力的 6．success＋d→ ______________vi.成功；vt.接替；继任 7．protect＋ion → ________ n．保护 8．relieve (vt.解除；减轻)＋-f → ________n．(痛苦或忧虑的)减轻或解除 【答案】1.decrease　2.loss　3.laughter　4.importance 5．powerful　6.succeed　7.protection　8.relief 3．To live ________ (和平)and security and to give our children a better future，we must protect the nature. 4．I was____________ (松了口气)when I heard I had passed the examination. 5．Dinosaurs __________ (灭绝)65 million years ago. 【答案】1.in danger　2.pay attention to　3.in peace 4．in relief　5.died out 【答案】1.A　2.D　3.B　4.C Ⅱ.精读课文，选择最佳选项 (　　)1.Paragraph 1 suggests that________. A．Daisy would like to see the antelopes very much B．the number of the antelopes in Tibet is getting much smaller now C．the antelopes have moved from Tibet to