第三册第一部分unit three

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Unit Three 1. I hear an underground railway station is going to be built in your neighbourhood. 1) hear vt. (1)听说(多跟从句) I hear you want a secretary. 我听说你需要一个秘书。 Mr. Smith had heard that they were leaving shortly for South Africa. 史密斯先生已经听说他们不久将去南非。 “hear”可用在插入语中,如: The neighbourhood is now, I hear, quite peaceful. 我听说附近一带现在相当地平静安宁。 在上述两种用法中一般不能用进行时,间或可以用,表示“反复听说(到)”。 I have been hearing a lot of things about you since I’ve been back in this country. 自从我回国以来经常听到关于你的许多事。 (2)听见,听到(多作vt.) A)跟名词或代词 They both heard a knock at the side-door.他们两人都听见了边门的敲门声。 As a friend of yours, I want to tell you what I hear. 作为你的朋友,我想把我所听到的告诉你。 B)跟带不定式的复合结构 Oh, Robert, I didn’t hear you come in. 哦,罗伯特,我没听见你进来。 It’s so quiet you could hear a pin drop! 周围是如此安静,你甚至可以听到一根针掉在地上的声音! “hear”可用于被动结构,这时不定式要带to She was heard to leave the house. 有人听到她离开家了。 C) 跟带现在分词的复合结构 She could hear the rain pattering against the windows. 她能听见雨点正拍打着窗户。 You could hear her singing as she ran upstairs. 你可以听见她跑上楼梯时正唱着歌。 “hear”可用于被动结构: Voice were heard calling for help. 有人正在喊救命。 *在这种结构中现在分词多表示一个正在进行的动作,如: I heard the wind blowing. (“blowing”表示“风正在刮”) 而在前面带不定式的结构中,不定式表示的是一个完成的动作,如: I heard the door open. (“open”表示“已打开了”。) D)跟带过去分词的结构 She heard the front door shut. 她听见前门被关上了。 I’ve heard him criticized many times. 我已经听见过他被批评过好几次了。 2) underground adj. 地下的,秘密的 an underground railway 一条地下铁道 an underground press 一个地下印刷所 underground activities 地下活动 underground workers 地下工作者 underground n. 地下铁道(=subway(A.E.)) by underground 乘地铁 2. Construction is already under way. be under way 在进行之中 Our plans are under way. 我们的计划正在执行中。 All the preparation are well under way. 一切准备工作正在顺利进行中。 be under consideration 在考虑中 be under construction 在建造中 3. Some walls have been knocked down and some houses have been pulled down. 1) knock down (down为副词) (1)拆除(掉),拆卸 They are going to knock down those old buildings soon. 他们不久将要拆除那些旧建筑物。 The machine will be knocked down before being packed for shipment. 这台机器在包装货运之前将被拆卸掉。 (2)打倒,撞倒 A bus knocked her down. 一辆公共汽车把她撞倒了。 He knocked down the thief with one blow of his fist.他一拳把那个贼打倒在地。 2) pull down 拆(房子) They are pulling down the house in the street. 他们正在拆毁街上的房子。 It is easier to pull down than to build up. 拆除一幢房子比建造一幢房子要容易。 4. Not too much yet. 1)这里相当于 The traffic hasn’t been affected too much yet. 交通还未受到太多的影响。 “too much” 修饰动词 affect 当too much 修饰名词时,只能接不可数名词,如: too much water 太多的水 too many 修饰复数的可数名词,如: too many books 太多的书 much too 修饰形容词或副词,如: much too short 太短了 2)block (1)block vt. 堵住,阻塞 They blocked the entrance to the cave with big rocks. 他们用巨石将洞口堵塞起来。 You can’t leave the city. All the roads are blocked by snow. 你出不了这座城市了,所有的道路都被积雪给堵塞了。 (2)block vt. 阻碍,阻挡 Her sickness blocks my plans for the party. 她的病阻止了我去参加晚会的计划。 The player tried to block his opponent. 这位球员试图挡住他对手(的前进)。 (3)block n. 一大块(木头、石头等);街段;阻塞,障碍物 a block of wood 一大块石头 a block of ice 一大块冰 You go two blocks, and then turn left. 你走过两个街区然后向左拐。 There was a block in the pipe and the water couldn’t flow away. 水管里有一障碍物,水流不走的。 5. in three years or so or so “大约,约莫„„,左右”,一般放在所修饰词的后面 She had a little money, ten pounds or so. 她有点钱,大约10英镑。 He was a man of twenty-five or so. 他在25岁左右。 可以用about替代 or so,但about放在所修饰词前,如: in about three years. 6. That sounds splendid. 1)sound link v. 听起来,似乎 (1)跟形容词 How sweet the music sounds! 这段音乐听起来多优美动听啊! The report sounds true. 这份报告听来是真实的。 (2)跟名词 Your idea sounds (like) a good one. 你的这个主意听起来不错。 She sounded a modest woman. 她似乎是个谦逊有礼貌的妇女。 7.Rain becomes acid when it combines with carbon dioxide in the air. 1)combine vt.&vi. (1)combine vi. 联合,合交,化合 The two countries combined together against their enemy. 这两个国家联合起来共同抗击他们的敌人。 combine with 化合成„„ Hydrogen combines with oxygen to form water. = Hydrogen and oxygen combine to form water. 氢和氧化合成水。 (2)combine vt. 把„„结合起来,联合,合并 combine„with„ We should combine theory with practice. 我们应当把理论和实际联系起来。 Some films combine education with recreation. 有些影片使教育和娱乐融合在一起。 Education must be combined with productive labour. 教育必须和生产劳动相结合。 (3)combination n. 结合,联合(不可数) The combination of yellow and blue forms green. 黄色和蓝色合成绿色。 结合体,联合体(可数) John and Tom are a strong combination at football. John 和Tom 在踢足球方面组合得很好。 组合(可数) Some possible combination of x, y, and z are xy, xz, and yz. x,y,z三个字母的一些可能的组合是xy, xz和yz. 8.„factory chimneys pour back smoke into„ 1)pour vt. 颠倒 pour„into„ 把„„倒入„„