高二英语Unit13 The water planet知识点总复习教案

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Section I 课前准备、听力、口语 1. Practise making suggestions and expressing opinions. 练习提出建议并发表观点。(p. 17 Goals 2)▲ practise vt. 练习 practise后面的动词一般要用-ing形式。类似practise这种接动词-ing形式作宾语的动词还有：finish, enjoy, mind, give up, cant help, suggest, keep等。如：① I practise playing the piano every day. 我每天练习弹钢琴。② She had finished writing the letter when I went in. 我进去时她已写完信了。③He enjoys skating very much. 他非常喜欢溜冰。④ Do you mind closing the window? 请你把窗户关上好吗? ⑤ Mary couldnt help laughing at Toms joke. 对于Tom的玩笑，Mary忍不住笑了。拓展：practice n. in practice实际上put sth. into practice将…付诸实施 2. Fill one glass with fresh water and another glass with salt water. 在一个玻璃杯里装满淡水另一个玻璃杯里装满盐水。( p.17 Warming up No.4) ▲ fill的用法 (1) 使满；填满 He filled the bath with water. 他把浴缸装满水。(2) 占有(地位)，任(职位) The position of the principal is not yet filled. 校长的职位还空着。(3) 供应(需求) ① His answer did not fill our need. 他的回答无法满足我们的要求。② Fill in your telephone number. 请填写你的电话号码。③ The room was filled with laughter. 房间里充满了笑声。④ I have filled up the bottle. 我把瓶子装满了。 ▲拓展：fill in填写(事项，表格等) fill...with...把……装满 be filled with = be full of充满 fill up 装满；填写(= fill in) 3. What can we do to protect the water on our planet? 我们能做些什么来保护我们这个星球上的水呢？(p.17 倒数第1行) ▲protect保护，防御常与介词against (from)连用，译为“保护……免遭”。① He is wearing sunglasses to protect his eyes from the strong sunlight. 他戴着太阳镜以挡强烈的阳光。② The heavy rain kept us from going out. 大雨使我们无法出去。 ▲注意：stop (prevent)…from doing中from可省去；keep…from doing中from不可省。 ▲拓展：keep…from...阻止(妨碍)…做…= stop… (from)… = prevent … from ... 4. Who tells the story in the poem?谁讲了这首诗里的故事？ ( p.18 Part 1 No. 1) ▲tell的重要句型归纳 (1) tell + n.(人) + n. = tell + n. + to + n. (人) Did you tell your parents the news? =Did you tell the news to your parents? 你把这消息告诉你父母了吗? (2) tell + n. (人) + (that)／wh... ① He told me(that)he would be back in an hour. 他告诉我，一个小时内他就回来。② He told her what had happened. 他告诉她发生了什么事。 (3) tell + n. (人) + of (about) He told me of (about) his worries.他告诉我他的烦恼。 ▲ 拓展：tell + n. + from + n. 辨别……和…… all told总共 Dont tell me! 不至于吧! I (can) tell you. 的确，真的 There is no telling. 不得而知；很难说。 to tell the truth 老实说 ① Its sometimes hard to tell one twin from the other. 双胞胎有时很难分辨。② All told, there were 350 people killed in the plane crash. 那次坠机事件中总共有350人丧生。③Dont tell me you are going back to your hometown.你不至于要回到你的故乡吧。④Its a wonderful invention, I (can) tell you. 那的确是个了不起的发明。⑤ There is no telling where he is. 无法知道他到底在哪里。 5. Work with your partner and see whether you can come up with a good, scary story… 跟你的同伴一同看看是否能想出一个好的，引起惊慌的故事… (p.18 Listening Part 2 No. 4) come up with的用法 ▲come up with在本单元中作“提出”“想出”解。如： ① The young engineer came up with a new design. 那个年轻工程师提出一种新的设计方案。②The magazine recently came up with some advice on smoking.该杂志最近就吸烟问题提出一些忠告。③ Youve come up with a good idea. 你想出的主意好极了。④ Scientists will have to come up with new methods of increasing the worlds food supply. 科学家们必须找出增加全世界食品供应的新方法。 ▲ come up with有“拿出…” “筹措钱”之意。如：① If Waths can come up with $15 million, well go to London. 如果瓦茨能够拿出一千五百万美元，我们就去伦敦。② You have no choice but t0 come up with ￡18, 000.你别无选择，必须拿出一万八千英镑。 ▲ come up with亦可作“赶上”解。如：① Lets hurry up so that we may come up with them. 咱们快些走，以便赶上他们。② We shall have to work hard so as to come up with the other firm. 我们得努力工作才能赶上另一家商行。 6. Who benefits from using water in this way.以这种方法用水谁受益了? (p. 18 Speaking 第5 点) ▲ benefit的用法 (1) n. 利益；益处 I get a lot of benefit from learning a foreign language. 从学习外语中我得到许多益处。 ▲ 注意：以下两个短语：be of benefit to对……有裨益；for the benefit of为了……(的利益)。① That experience was of great benefit to me. 那个经验对我很有益处。②We must make efforts to take exercise for the benefit of our health. 为了健康我们必须努力锻炼身体。 (2) vi. 有益于① Such foolish behaviour will not benefit your ease. 这样愚蠢的行为将无益于你的案子。② I benefited enormously from my fathers advice. 我从父亲的忠告中获益良多。【注】benefit可作为及物动词用，意为“有益于”。如：①The trade agreement will greatly benefit the developing countries.贸易会谈将大大的有益于发展中国家。②The new railway will benefit the district. 这条新铁路将会给这个地区带来好处。③ The long rest benefited her. 长期休息对她有好处。 ▲ benefit from／by的用法: benefit from／by意为“从……中得益”“得益于……”。如：① We can all benefit from his knowledge. 我们均可得益于他的知识。② You benefit from what he told you in the letter. 你会从他的信中受益。 Section II 阅读 7. 99% percent of the living space on earth is in the oceans. 地球上百分之九十九的生存空间是在海洋里。(p.19 第一段第2－3行) ▲百分数作主语时，即percent后有数词时，应注意两点：一是percent不能用复数形式；二是谓语动词的单复数。如果percent of后的名词为单数，谓语动词用单数；其后的名词为复数，谓语动词则用复数。如：① About 70 percent of the surface of the earth is water.地球表面大约百分之七十是水。② Eight percent of the students are absent today.今天有百分之八的学生缺席。【注】percent可作为副词用，在句中作状语。如：①I notice you dont say that youre a hundred percent convinced yourself. 我注意到你没有让你自己完全信服。 ② Prices have risen 5. 5 percent in the past year. 过去一年物价上涨了5.5%。③ I think its ninety percent probable. 我想有百分之九十的可能性。【注】percent也可作形容词用，在句中充当定语。如： I paid him six percent interest.我付给他百分之六的利息。【注】percentage意为“百分比”，多与of连用。如果连用的名词是复数，后面的动词就用复数形式，否则用单数形式。如：① What percentage of babies die of this disease every year? 每年婴儿死于这种疾病的百分率是多少? ② What percentage 0f his income is paid in income tax? 他的收入有多大比例用来交所得税? 8. Marine life is incredibly rich and varied. 海洋生物极其丰富多样。(p.19 第一段第3行) ▲varied是由动词vary变化而来的过去分词，在句中作定语或表语。如：① The menu is varied and cheap.菜单上的菜花样很多也很便宜。② They made varied efforts to bring about a peaceful solution of the problems. 他们做了种种努力来和平解决这些问题。③ They are rich in content and varied in style.它们内容丰富、风格多样。④ He had had varied training and had held many offices.他受过多种训练并担任过多种职务。 ▲动词vary意为“有差异”“有变化”时，是不及物动词。如：① Courses vary according to the needs of the students. 课程根据学生的需要而不同。②People vary very much in their ideas. 人与人的想法差别是很大的。③ The answers given by different people vary greatly.不同人作出的回答，差别非常大。 ▲vary可作及物动词，意思是“使……有变化”“变换”。如：①You should vary your diet. 你的饮食应经常变换花样。② She varies her dress as fashion changes. 她的衣着随潮流而变化。【注】vary充当及物动词时，可用现在分词作定语。如：varying prices 不断变化的价格。 9. There are about five million species in the oceans

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