1 lesson 75 SOS 呼救信号上课时间:上课地点 : 教学用书:新概念二教学目标 : ① 掌握生词和短语 thick signalstamp helicopterscene survivor② a distress signal ,a danger signal, signal + n.③scene 的各种意思和用法, unhurt 和 hurt 的用法教学重难点 :① 表“变得 ”的系动词: grow/become/turn/get/go/come/fall ②重点复习一般过去时教学过程:New words and expressions: 1.thick adj. ①厚的(反义词 thin 薄的)eg. This board is the thickest of all. 这木板是最厚的。 a thick book 一本厚书;thick walls 厚墙壁; ice ten centimeters thick 十厘米厚的冰②粗的,粗大的(反义词 thin 纤细的) a thick line 粗线;thick fingers 粗大的手指③ (液体,气体 ) 浓的,浓厚的(反义词 thin 稀薄的)eg. This source is too thick. 这调味汁太浓了。 thick soup 浓汤; a thick fog 浓雾,大雾④(树林,树叶,毛发等)密的,浓密的(反义词 thin 稀疏的) a thick forest 茂密的森林; thick hair 浓密的头发thick adj.相关短语:give a person a thick ear (英口语)把(某人)耳朵打肿through thick and thin 经历过艰难困苦,无论什么状况thicken v.使⋯变厚 (粗,浓)thickness n. thickhearded adj. 笨头笨脑的,傻里傻气的2 2.signal①n. 信号,暗号a distress signal 遇难信号;a danger signal 危险信号eg . She gave the signal of emergency. 她发出紧急情况的暗号。③n. 信号器,交通信号eg. The traffic signal wasn’t working.. 交通信号失灵了。④ v. 发信号,以信号通知signal + n. eg. How can we signal that row-boat.? 我们怎样才能发信号通知那条划艇呢? signal orders 以信号下达命令; signal a message 用信号发送消息 signal to + sb + to do(向⋯)发信号示意要 ⋯eg. He signal to the band to start playing.他向乐队做出手势开始演奏。③v. 发信号,以信号通知signal to + sb + that (向⋯)发送信号称 ⋯,发信号说eg. She signaled to the other girls that everything was all right. 她对其他女孩发信号说一切正常。3.stamp① v. 跺(脚,地板等),跺脚eg. He stamped his fe...