高二英语Unit8 First aid知识点总复习教案
1. Talk about first aid and medicine. 谈一谈急救和医药。(p.57 Goals No.1)
aid
(1) aid n.帮助，援助 ① She came to my aid. 她会帮助我。② We should give some economic aid to the Third World. 我们应当给予第三世界一些经济援助。
(2) aid v. 帮助，援助，支援 ① I aided her to continue her study. = I aided her in continuing her study. 我帮助她继续做研究。② Your advice aided her to succeed. 你的忠告使她取得了成功。
【短语归纳】with the aid of sb. = with sb.’s aid在某人的帮助下； with the help of sb. = with sb.’s help在某人的帮助下； in aid of为了…… aid sb. to do sth. 帮助某人去做……； aid sb. in／with为……事帮助某人
【拓展】first aid急救；hearing aid助听器；teaching aids教具；visual aids直观教具
【辨析】aid；help
★相同点：aid与help作动词时，都有“帮助”之意，有时可通用。如：I aided him in his work. = I helped him with his work.
★不同点：aid是比较正式的用法，较为庄重，在日常生活中不多用；help则含义较广，特别在日常生活中用的较多，几乎所有用aid的地方都可以用help代替。但在表示“救护”时，用aid不用help。
2. Make sure that electric wires are safe and that children can’t reach them. 确保电线是安全的，孩子们碰不着。(p. 58 Speaking ‘Dos’ No.1)
make sure的用法
(1) make sure that-clause确保…… ① Will you make sure that he returned? 请你查明他是否真的回来了，好吗?② Make sure that you don't upset any of them. 确保不使别人不安。
(2) make sure of确保，确定 ① He's made sure of the time and place. 他确定了时间和地点。②We've made sure of our seats for the movie. 我们已订好电影院的座位了。
【拓展】be sure to do... 一定会……；be sure that... 确信……；be sure of doing... 确信会……；be sure about／of sth. 对……有把握。如：① He said he was not sure about grammar and idioms. 他说他对语法和惯用法没有把握。② Mary is sure to come this afternoon. 玛丽今天下午肯定来。③ Be sure not to be late again. 务必不要再迟到。④ He wanted to be sure that he was looked after. 他要确信自己有人照顾。
【辨析】be sure to do；be sure of doing
be sure to do是主语肯定会做某事；be sure of doing表示主语对做某事有信心。如：① Our football team is sure to win. 我们足球队肯定会赢。② He's sure of passing the exam. 他确信考试会及格。
3. If a pan of oil catches fire, turn off the gas and cover the pan quickly. 如果油锅着火，要快速关掉煤气盖上锅盖。(p. 58 Speaking ‘Dos’ No.2)
1) catch fire
(1) catch fire着火。强调动作，不与表示一段时间的状语连用。如：① When she was doing the experiment，her
long hair catches fire. 当她做实验时，她的长发着火了。② Don't throw the cigarette about. The dry grass catches fire easily. 别乱丢烟头。干草很容易着火。
(2) on fire着火。表示状态，可以与表示一段时间的状语连用。如：① His house has been on fire for an hour. 他的房子着火一个小时了。② The cottage was on fire last night. 这座农舍昨晚失火了。
【拓展】set fire to sth．放火烧……; set sth. on fire放火烧……; make a fire生火; light a fire点火; put out a fire灭火; play with fire玩火
2) turn off vt. 关掉(煤气、自来水、电灯、电视等)。如：① Turn off the tap before you go out. 外出前要关掉水龙头。② Don't forget to turn off the gas when you finish cooking. 做完饭后，不要忘记关掉煤气。
【注意】turn off的反义词是turn on。
【拓展】turn against背叛；turn in=hand in上交；turn into变成；turn over把……反过来；turn to转到，翻到；turn up开大(音量)；turn right=turn to the right向右转；turn away from离开，避开；turn to sb. for help向某人求援；
turn back／around转过身来；turn down拒绝；turn out生产，制造；turn out to be结果是，后来证明是
4. Never leave small things a baby can put in its mouth on the floor or table.绝对不要把孩子可以放进嘴里的东西放在地板或桌子上。(p. 58 Speaking ‘Don’ts’ No.2)
never的用法
(1) never adv. 决不，永不，一点也不。如：① I never get up on Sunday mornings. 周日早晨我从不早起。② She's never late for appointment. 她赴约从未迟到。③ I'll never forget your kindness. 我绝不会忘记你的好意。
(2) never adv. 从未，尚未，一次也没有(通常和完成时连用)。如：① -- Have you ever been to America? -- No, I've never been abroad. — 你曾去过美国吗? — 没有，我从未出过国。② I have never heard a speech as impressive as this. 我从未听过这么动人的演讲。③ I never had a chance to meet him. 我始终没有机会与他见面。④ She said that she had never been to the Great Wall. 她说她从未到过长城。
(3) never跟其他副词一样，一般置于实义动词之前，be动词、情态动词之后，第一个助动词之后，如以上例句。但有时候置于句中特定词或短语之前以强调该词或短语的否定意味。如：① They spoke never a word to each other. 他们彼此未交谈一句话。② I have never met him and I hope I never will meet him．我从未见过他，并且希望永远不会见到他。
(4) never置于句首，表示加强语气，句子的语序要用倒装。如：① Never have we workers been daunted by difficulties. 我们工人从来没有被困难所吓倒。② Never will my friends Paul forget his first teacher of chemistry. 我的朋友保罗永远不会忘记他的第一位化学老师。
【拓展】运用这个倒装句型的否定意义的副词还有：hardly，seldom，little，not，only，not until, scarcely，no sooner，by no means，at no time，under
生词表:
1. Talk about first aid and medicine. 谈一谈急救和医药。(p.57 Goals No.1)
aid
(1) aid n.帮助，援助 ① She came to my aid. 她会帮助我。② We should give some economic aid to the Third World. 我们应当给予第三世界一些经济援助。
(2) aid v. 帮助，援助，支援 ① I aided her to continue her study. = I aided her in continuing her study. 我帮助她继续做研究。② Your advice aided her to succeed. 你的忠告使她取得了成功。
【短语归纳】with the aid of sb. = with sb.’s aid在某人的帮助下； with the help of sb. = with sb.’s help在某人的帮助下； in aid of为了…… aid sb. to do sth. 帮助某人去做……； aid sb. in／with为……事帮助某人
【拓展】first aid急救；hearing aid助听器；teaching aids教具；visual aids直观教具
【辨析】aid；help
★相同点：aid与help作动词时，都有“帮助”之意，有时可通用。如：I aided him in his work. = I helped him with his work.
★不同点：aid是比较正式的用法，较为庄重，在日常生活中不多用；help则含义较广，特别在日常生活中用的较多，几乎所有用aid的地方都可以用help代替。但在表示“救护”时，用aid不用help。
2. Make sure that electric wires are safe and that children can’t reach them. 确保电线是安全的，孩子们碰不着。(p. 58 Speaking ‘Dos’ No.1)
make sure的用法
(1) make sure that-clause确保…… ① Will you make sure that he returned? 请你查明他是否真的回来了，好吗?② Make sure that you don't upset any of them. 确保不使别人不安。
(2) make sure of确保，确定 ① He's made sure of the time and place. 他确定了时间和地点。②We've made sure of our seats for the movie. 我们已订好电影院的座位了。
【拓展】be sure to do... 一定会……；be sure that... 确信……；be sure of doing... 确信会……；be sure about／of sth. 对……有把握。如：① He said he was not sure about grammar and idioms. 他说他对语法和惯用法没有把握。② Mary is sure to come this afternoon. 玛丽今天下午肯定来。③ Be sure not to be late again. 务必不要再迟到。④ He wanted to be sure that he was looked after. 他要确信自己有人照顾。
【辨析】be sure to do；be sure of doing
be sure to do是主语肯定会做某事；be sure of doing表示主语对做某事有信心。如：① Our football team is sure to win. 我们足球队肯定会赢。② He's sure of passing the exam. 他确信考试会及格。
3. If a pan of oil catches fire, turn off the gas and cover the pan quickly. 如果油锅着火，要快速关掉煤气盖上锅盖。(p. 58 Speaking ‘Dos’ No.2)
1) catch fire
(1) catch fire着火。强调动作，不与表示一段时间的状语连用。如：① When she was doing the experiment，her
long hair catches fire. 当她做实验时，她的长发着火了。② Don't throw the cigarette about. The dry grass catches fire easily. 别乱丢烟头。干草很容易着火。
(2) on fire着火。表示状态，可以与表示一段时间的状语连用。如：① His house has been on fire for an hour. 他的房子着火一个小时了。② The cottage was on fire last night. 这座农舍昨晚失火了。
【拓展】set fire to sth．放火烧……; set sth. on fire放火烧……; make a fire生火; light a fire点火; put out a fire灭火; play with fire玩火
2) turn off vt. 关掉(煤气、自来水、电灯、电视等)。如：① Turn off the tap before you go out. 外出前要关掉水龙头。② Don't forget to turn off the gas when you finish cooking. 做完饭后，不要忘记关掉煤气。
【注意】turn off的反义词是turn on。
【拓展】turn against背叛；turn in=hand in上交；turn into变成；turn over把……反过来；turn to转到，翻到；turn up开大(音量)；turn right=turn to the right向右转；turn away from离开，避开；turn to sb. for help向某人求援；
turn back／around转过身来；turn down拒绝；turn out生产，制造；turn out to be结果是，后来证明是
4. Never leave small things a baby can put in its mouth on the floor or table.绝对不要把孩子可以放进嘴里的东西放在地板或桌子上。(p. 58 Speaking ‘Don’ts’ No.2)
never的用法
(1) never adv. 决不，永不，一点也不。如：① I never get up on Sunday mornings. 周日早晨我从不早起。② She's never late for appointment. 她赴约从未迟到。③ I'll never forget your kindness. 我绝不会忘记你的好意。
(2) never adv. 从未，尚未，一次也没有(通常和完成时连用)。如：① -- Have you ever been to America? -- No, I've never been abroad. — 你曾去过美国吗? — 没有，我从未出过国。② I have never heard a speech as impressive as this. 我从未听过这么动人的演讲。③ I never had a chance to meet him. 我始终没有机会与他见面。④ She said that she had never been to the Great Wall. 她说她从未到过长城。
(3) never跟其他副词一样，一般置于实义动词之前，be动词、情态动词之后，第一个助动词之后，如以上例句。但有时候置于句中特定词或短语之前以强调该词或短语的否定意味。如：① They spoke never a word to each other. 他们彼此未交谈一句话。② I have never met him and I hope I never will meet him．我从未见过他，并且希望永远不会见到他。
(4) never置于句首，表示加强语气，句子的语序要用倒装。如：① Never have we workers been daunted by difficulties. 我们工人从来没有被困难所吓倒。② Never will my friends Paul forget his first teacher of chemistry. 我的朋友保罗永远不会忘记他的第一位化学老师。
【拓展】运用这个倒装句型的否定意义的副词还有：hardly，seldom，little，not，only，not until, scarcely，no sooner，by no means，at no time，under
生词表:
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