人教PEP版八年级下册英语新课课件-Unit 1 第四课时(2a-2b)

人教PEP版八年级下册英语新课课件-Unit 1 第四课时(2a-2b)

SectionB 第四课时（2a-2b） breathe v. 呼吸 sunburned adj. 晒伤的 climber n.登山者 accident n. （交通）事故; 意外遭遇 rock n.岩石 knife n. 刀 blood n. 血control n. & v. 限制；约束；管理 spirit n. 勇气；意志 2a Accidents or problems can sometimes happen when we do sports. Write the letter of each sport next to each accident or problem that can happen. A = soccer B = mountain climbing C = swimming __ fall down __ have problems breathing __ get hit by a ball __ get sunburned __ cut ourselves __ hurt our back or arm B A B C C A 2b Read the passage and underline the words you don’t know. Then look up the words in a dictionary and write down their meanings. Words Meanings Reading 1. As a mountain climber, Aron is used to taking risks. 作为一个登山者，阿伦习惯于冒险。 （1）be used to意为“习惯于......；适应于......”，后 常接动名词、代词或现在分词。 be used to doing 表示“习惯于做某事” be used to do表示“……被用来做某事” 如：I am used to eating rice now. 我现在习惯吃米饭。 The knife can be used to cut meat. 刀能用来切肉。 Language points （2）take risks是动词词组，意为“冒险”， 其同义词组是take a risk。 如：We do not expect untrained people to take risks.我们不主张未受过培训的人员 去冒险。 You can't get rich without taking risks. 人不冒险不富。 I have to take a risk in my job. 做我这种工作要冒风险。 2. There were many times when Aron almost lost his life because of accidents. 有很多次阿伦因为事故几乎失去了他自己的生命。 （1）almost是副词，意为“几乎，差不多”。用来 修饰不定代词、形容词、副词、动词、介词 短语等。 如：The girl is almost eight years old. 这女孩将近八岁了。 He is almost two metres tall. 他差不多有两米高。 辨析：almost与nearly 易混词 意义及用法 例句 almost nearly almost 意为“几乎，差不多” 可用于 any 以及 no, none, nobody, nothing, never 等否 定词之前；有时 almost 可表 示十分相似(但又不完全相同)。 Almost no one came to the party. I almost wish I’d stayed at home. nearly 意为“几乎，差不多”， 前可用 very, pretty, not 等词 修饰，not nearly 意为“远 非”, very （pretty） nearly 意为“几乎”，都是习语。 He nearly always arrives late. It’s not nearly so difficult as you think. （2）because of 是介词短语，意为“因为；由于”， 后常接名词、代词或V-ing形式。 如：The train was late because of the bad weather. 由于天气恶劣，火车晚点了。 She didn't go to the party because of a sore throat. 由于嗓子痛她没有去参加聚会。 3. So he used his knife to cut off half his right arm. 所以他用刀切除了右臂一半。 （1）knife是可数名词，意为“刀”，其复数形式 是knives。 如：I picked up the knife and threw it out of the window. 我拿起了那把刀，把它扔到了窗外。 The soldiers sharpened up their knives. 战士们把刀磨得锋利。 (2) cut off 是动词短语，意为“切除”。 如：Please help me to cut off the rinds of lemons. 请帮我切除柠檬的皮。 The shark's dorsal fin was cut off by the fisherman. 鲨鱼的背鳍被渔夫割了下来。 4.（1）This means being in a difficult situation that you cannot seem to get out of. mean v. “……意思是”或“意味着”。 如：What do you mean? 你的意思是什么？ … before we have to make a decision that could mean life or death. ……在我们做出可能意味着生死的决定前。 (2)get out of意为“离开；从......出来”。 如：I couldn't get out of going to that wedding. 我不能逃避出席婚礼。 She backed her car out of the garage. 她从车库倒车出来。 1. Her son ____ Coke, but now he _____ milk. A. used to drink ; is used to drinking B. used to drinking ; drinks C. is used to drinking ; used to drink D. is used to drink ; is drinking 2. The river is _____ 200 metres wide，_____ no one can reach to opposite bank． A. nearly，nearly B. nearly，almost C. almost，almost D. almost，nearly A B