高考英语一轮复习 Unit 3 Inventors and inventions教学案 新人教版选修8-新人教版高三选修8英语教学案

Unit 3 Inventors and inventions三言两语1 ． The journey to outer space and other planets is not a dream any more.2 ． Modern medicine prolongs people's life and relieves patients of sufferings from many diseases.3．However，the process of scientific development also arouses many severe problems to our human beings.1．科技的发展使得我们的生活更加舒适、方便。The development of science and technology makes our life more comfortable and convenient. 2．如果非要放弃其中之一的话，我会选择关闭电视而不会关闭手机或切断网络。If I had to give up one of them, I would turn off the TV rather than switch off my cellphone or cut off the Internet.[单词 拼写应用]核心单词1．distinguish vi.&vt.显示……的差别； 使……有所不同； 辨别2．seize vt.抓住； 捉住；夺3．bear vt.忍受；忍耐；负担4．claim n．& vt.要求；声称；主张5．forehead n．额头6．tap vt.&vi.轻打；轻拍；轻敲 n．轻轻地敲击(声)；(水)龙头7．merry adj.愉快的；高兴的8．practical adj.实际的；实践的；实用的9．invaluable adj.无价的；极宝贵的10．product n．产品[语境运用] 用所给词的适当形式填空1．In my opinion，only by facing difficulties bravely and seizing (seize) opportunities can one succeed.2 ． Your suggestion sounds reasonable and practical (practice)．I think it deserves to be discussed at the next meeting.3．The country is at peace and the people go merrily (merry)to their work.4 ． The suspect tapped (tap) the table nervously with fingers to hide his fear inside.5．He's too young to distinguish(distinguish) right from wrong，and needs your guidance.拓1 ． mercy n ． 宽 恕 ； 仁 慈[语境运用] 用所给词的适当形式填空展单词→merciful adj.宽大的；慈悲 的 ； 仁 慈 的 → merciless adj.残忍的；无情的 2．convenient adj.便利的；方便的；就近的→convenience n．方便；便利3．caution n．小心；谨慎→cautious adj.小心的；谨慎的→cautiously adv.小心地；谨...