高三一轮复习必修5 Unit 5 First aid.ppt

4．You’d better put things back __________ . Otherwise, it will be difficult to find things. 5．He always donates money to a poor village school,which _______________________ to the children there who can go on receiving education. in place makes a great difference [句型精析] 1.(教材P34)Remove clothing using scissors if necessary unless it is stuck to the burn.　 除非衣服紧贴在烧伤面上,否则都要把衣服脱掉。如果需要的话,可以使用剪刀。 [句法分析] (1)unless是连词,意为“除非,如果不”,引导的是一个肯定条件状语从句,从句有时可以与if...not...引导的否定状语从句互换. ①_________________________________ , I’ll see you tomorrow. 如果不出意外,我明天去看你。 ②We will have a picnic in the park this Sunday ____________________________ . 除非下雨或天很冷,我们将在本周日去公园野餐。 Unless something unexpected happens unless it rains or it’s very cold (2)stick to ③A piece of chewing gum stuck to my shoe. 一片口香糖粘在了我鞋上。 ④ ____________________ , you’ve nothing to fear. 你要是坚持真理就可以无所畏惧。 粘在……之上;坚持 If you stick to the truth 2.(教材P38)John was studying in his room when he heard screaming.　约翰正在房间里学习,突然听到一声尖叫。 [句法分析] when在此句中意为“这时,突然”,相当于at this/that time,常用于以下结构中： 归纳拓展 be doing...when... 正在……这时…… be about to do...when... 正打算做……这时…… be just going to do...when... 正要……这时…… had hardly done...when... 一……就…… be on the point of doing...when... 正要……这时…… ①The children were playing football happily on the playground ________________________________ . 孩子们正在操场上高兴地踢足球,这时天开始下起大雨。 ②I was about to go out __________________________________ . 我刚想出门,这时有人敲门。 when it began to rain heavily when someone knocked at the door ③ The thief was on the point of putting his hand into the lady’s handbag _____________________________ . 小偷正要把手伸进那位女士的手提袋中,这时公共汽车突然停了。 ④ I had hardly got to the office ________ _____________________________ at once . 我刚走进办公室,妻子就打电话叫我回去。 when the bus suddenly stopped when my wife phoned me to go back home 目录 [核心单词] 1．____________ n． vt.帮助；援助；资助 2．____________ adj.暂时的；临时的 3． _______ vi.vt.流血→blood n．血液 4．________ adj.至关重要的;生死休关的 5． _________ n．毒药;毒害vt.毒害;使中毒→poisonous adj.有毒的 6． ________ vt.vi.榨;挤;压榨 7． _______ vt.vi.倒;