高二英语Unit13 The water planet知识点总复习教案

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高二英语Unit13 The water planet知识点总复习教案

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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