高三人教版一轮复习必修五Unit3.ppt

8．speed up 根据语境猜词义 ①Well be late unless we speed up. ________ ②Plenty of fresh air and exercise will speed up his recovery. ________ ③The new and improved equipment will undoubtedly speed up production. ________ ?归纳拓展 at high/low/full/top speed以高/低/全/最高速 at a speed of... 以……的速度 with speed 迅速地 pick up speed 逐渐加速 [英文典例] ④Whats more，the firms that“slowed down to speed up”improved their top and bottom lines. 另外，以“减速求提速”的公司改进了他们的上线和底线。 ⑤Now，all our ________ rails started to run at a little ________ after the Wenzhou accident. 在温州事故以后，现在我国所有高铁运行速度稍微降低了一些。 ⑥Once outside the station，the train began to ________. 一出车站，火车就开始加速。 答案：①加速　②促进；加快　③增加　⑤high speed ；lower speed 　⑥pick up speed 1．The air seemed thin, as though its combination of gases had little oxygen left.空气似乎很稀薄，好像在混合的气体中剩下的氧气很少。 [知识提炼]　as though引导方式状语从句，as though/if“好像；似乎”，as though/if作连词用时，通常用虚拟语气，表示与事实不符或相反的情况。如果表示与现在事实相反，谓语用did或were，如与过去事实相反，则用过去完成时。 [句式仿写]　这动物走路的样子好像伤了腿似的。 ______________________________________ 答案：The animal was walking as though it had hurt its leg. 第二板块　句型巧析 句型仿写 2．Hit by a lack of fresh air，my head ached. 由于缺乏新鲜空气，我感到头痛。 [知识提炼]　过去分词短语在句子中作状语。 [句式仿写]　加热时水会变成蒸汽。 ____________ ，water changes into steam. 答案：Heated 3．“Put on this mask，”he advised.“It will make you feel much better.” “把这个面罩戴上，”他告诉我，“它会使你感觉好些。” [知识提炼]　make you feel much better是make＋宾语＋宾补结构。 [句式仿写]　我能让你们听明白吗？ Can I ______________________ ? 答案：make myself understood 4．However，I lost sight of Wang Ping when we reached what looked like a large market because of too many carriages flying by in all directions. 然而，当我们到了一个看上去像大市场的地方时，由于有太多的飞行器朝不同的方向飞来飞去，我找不到王平了。 [知识提炼]　what looked like a large market是what引导的宾语从句，what在从句中作主语。 [句式仿写]　他仍然清楚地记得我第一堂课上教给他的东西。 He clearly remembers ___________________ in the first class. 答案：what I taught him 5．Sue dared not sleep in her bedroom. 苏不敢在她的卧室里睡觉。 [知识提炼]　dare作情态动词时，一般用于疑问句，否定句或条件句中，或与hardly，never，no one，nobody连用；有时态变化，但无人称变化，其后接动词原形。 [句式仿写]　没有人敢提出反对的意见。 ____________________________