高二英语（人教选修8）课件：unit3《Inventors+and+inventions+section》3.pptVIP

Inventors and inventions;Section Ⅲ　Using Language;课堂要点探究 ;; Ⅰ．词汇过关 1．freeze (vt．/vi．)(使)结冰，冰结；冷藏；呆住 →___________ (adj．)冰冻的；严寒的；极冷的/(n．)冰点；凝固点 →___________ (adj．)冷冻的；冷藏的；冻僵的；惊呆的 2．___________ (v． n．)轻敲，轻打，轻拍；轻轻地敲击(声)，(水)龙头 3．tri-(前缀)＋angle(n．)角，角度 →___________ (n．)三角形；三角形物体; 4．___________ (adj．)稳固的；稳定的；安定的 →____________(adv．)稳固地；稳定地；安定地 →___________ (n．)稳定(性)；稳固(性) 5．___________ (adj．)清白的；无罪的；天真的 →___________ (n．)清白；无辜；无罪；天真 6．green (adj．)绿色的＋grocer (n．)食品杂货商 →____________ (n．)蔬菜水果商，(pl．)蔬菜水果店 7．___________ (vt．)联想；联系；交往/(n．)同伴；伙伴 →___________ (n．)联想；联系；交往；协会；社团 ; 8．extend (v．)延长，延伸，扩展 →___________ (n．)电话分机；扩大；延伸 9．___________ (n．)能力；胜利；本领 →___________ (adj．)能胜任的；有能力的；称职的 10．___________ (adj．)实际的，实践的，实用的 →___________ (v．)练习，训练 →___________ (n．)练习;Ⅱ．短语自查 1．set out (to do) ___________________ 2．ring back ___________________ 3．ring off ___________________ 4．be associated with ___________________ 5．迅速把手伸入；一心投入 _____________ 6．不挂断；稍等；紧紧握住 _____________ 7．次序颠倒；发生故障 ___________________ 8．设法联系上(尤指打通电话)；(设法)做完；通过 ___________________; Ⅲ．经典句式 1．__________ you do you will be certain to find something that you have never seen before． 每次你这样做时，你会发现你以前没发现的东西。 2．____________，it has proved invaluable in the design of bridges． 这种四面体非常稳固，被证明是桥梁设计中的无价之宝。 答案：1．Every time　2．Being very stable;Ⅳ．语篇理解 Read the passage and tell if the following statements are true (T) or false (F)． 1．Alexander Graham Bell was born in 1847 in Boston，USA．(　　) 2．Bells mother was completely deaf，but with the help of Bell，she could hear what Bell said．(　　) 3．It was Bells interest and curiosity that led to the invention of the telephone．(　　) 4．In order to improve his invention，Bell made Morse code．(　　);5．Bell invented the telephone by chance because he had menat to improve the telegraph．(　　) 6．Right after he invented the telephone，he successfully sent a message to his assistant Watson．(　　) 7．He invented the helicopter and other flying machines．(　　) 8．Bell is respected for he devoted all himself to improving