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2018人教版高中英语选修八课件:Unit 3 Inventors and inventionsSection Ⅱ Learning about Language_图文

新知识· 预习探索 Ⅰ.重点单词 1.freezing adj. 冰冻的;严寒的→freeze vt. & vi. 冻结;凝固 →freezer n. 冰箱;冷冻器;冷冻机 2.identification n. 鉴定;辨认;确定;身份证明→identify vt. 确认;鉴定 3.innocent adj. 清白的;无罪的;天真的→innocence n. 清 白;无罪;无知 4.bear vt. 忍受;忍耐;负担→bearable adj. 忍得住的;可忍 受的 5.current n. (水或气)流;电流 adj. 现在的;当前的 →currently adv. 现在;目前→currency n. 通货;货币;通用;流行 6.stable adj. 稳固的;稳定的;安定的→stabilize vt. 使稳定; 使稳固→stability n. 稳定;安定;稳定性 7.associate vt. 联想;联系 n. 同伴;伙伴→association n. 联 盟;联想→associated adj. 有关联的;相关的 8.practical adj. 实际的;实践的;实用的→practically adv. 实 际上;事实上→practice vt. & vi. & n. 实践;练习 Ⅱ.重点短语 1.hang on 不挂断;稍等;紧紧握住 2.out of order 次序颠倒;发生故障 3.get through 设法联系上(尤指打通电话); (设法)做完;通过 4.ring back 回复电话 5.ring off 挂断电话 6.dive into 迅速把手伸入;一心投入 7.set out(to do) 开始做;着手做 8.beaten track 被踩出来的路;常规;惯例 9.与??相连?? associate...with... 10.富有活力的精神 dynamic_spirits 11.充分认识到 be_fully_aware_of 12.试验 experiment_with Ⅲ.重点句型 1.Every_time you do you will be certain to find something that you have never seen before. 当你这么做的时候,你一定会发现你从未见过的东西。 2.Follow it up, explore all around it, and before you know it, you_will have something worth thinking about to occupy your mind. 跟踪下去,不断探索,不知不觉中,你就会发现某种值得你思考 的东西占据着你的头脑。 Ⅰ.根据课文内容,判断正(T)误(F) 1.Alexander Graham Bell was born in 1847 in Boston, USA.( F ) 2.Bell's mother was completely deaf, but with the help of Bell, she could hear what Bell said.( F ) 3.It was Bell's interest and curiosity that led to the invention of the telephone. ( T ) 4.In order to improve his invention, Bell made Morse code.( F ) 5.Bell invented the telephone by chance because he had meant to improve the telegraph.( T ) 6.Right after he invented the telephone, he successfully sent a message to his assistant Watson.( F ) 7.He invented the helicopter and other flying machines.( F ) 8.Bell is respected for he devoted all himself to improving everybody's life.( T ) Ⅱ.根据课文内容,完成语法填空 Alexander Graham Bell was born in 1847 in Scotland. 1.________ When he was young, he became interested in 2.________(help) deaf people helping communicate, 3.________ which led him to invent the microphone. He one believed that 4.________ should always be curious. His 5.___ most famous _____________(famous) invention, the telephone in 1876, resulted exploring from his 6.________(explore) around problems and his dynamic spirit. to rest Bell was not a man 7.________(rest) and he was 8.________ inventor an all his life. He was indeed a continuing searcher after practical to improve solutions 9.________(improve) the quality of 10._______

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