初中英语常用词组辨析

初中英语常用词组辨析 初中英语常用词组辨析(30组) 1、 Look和See 都是“看”的意思。look是不及物动词，一般单独使用，look at是及物动词， 后可接所看的事物，东西，see也是及物动词，后可接所看的人，电影等。如: a. look一词单独用时，表示 “看!”，通常要放在句首。如: Look! There is a monkey in the tree. 看!树上有一只猴子。 b. look at表示要看具体的内容，如人或物。如: Don’t look at me. Look at the blackboard, please. 不要看我，请看黑 板。 c. see表示看的结果，即“看到;看见”。如: Can you see the words on the blackboard? 你能看见黑板上的字吗? see也用于“看电影”这个词组中，即:see a film 2、 Spend take pay pay 的主语必须是人: (sb) pay money for sth. / pay sb.for sth.; spend的主语必须是人: (sb.) spend money/...for/on sth./ in doing sth. 在......方面花钱或精力; take 表示做某事花费多少时间, 其主语一般是 一件事 ; 有时也可以是人: It takes/ took sb. some time to do sth. 强调完成动作所花费的时间。 ? It takes sb. some time to do sth. It took him half an hour to finish his homework. 他花了半个小时完成 家庭作业。 ? sb. spends some time/money on sth./(in) doing sth. I spent thirty yuan on this book. 我三十元买了这本 书 关于书的成语关于读书的排比句社区图书漂流公约怎么写关于读书的小报汉书pdf 。 She spent ten minutes (in) getting there. 她 10分钟到达那儿。 ? sb. pays (some money) for sth. He paid a lot of money for the building. 他买房子花了许多钱。 表“花费”的动词中，还有一个，即cost: cost 的主语必须是物或事: (sth.) cost(s) sb. money/life/health/time...; This coat cost me eighty yuan. 这件上衣花了我80元。 3、 on in at mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube wall and l0 mL ethanol solution of potassium hydroxide, which makes two liquid layers, stuffed, shaking violently mixed and placed 10min. 1cm Cuvette, reagent blank zero, and 440nm wavelength absorbance measurement. 5, results of calculationsaAcid, shake carefully 5min, began to shake when deflated. Static hierarchy, discard sulfate layer, add 50 mL of sulfuric acid repeat treatment once. the benzene layer is moved into another separatory funnel, washed three times with water, and then by the dehydration of anhydrous sodium sulfate, collected with a glass distillation apparatus distillation distillation liquid. Dinitrophenylhydrazine solution: weigh 50mg 2-4 one or two Nitrophenylhydrazine, l000mL solution in benzene. Trichloroacetic acid solution: weigh the 4 solid three acid 3 g, plus 100mL benzene dissolved. Ethanol solutions of potassium hydroxide: weigh 4 g of potassium hydroxide, and refining ethanol 100 mL dissolve, cold dark night-get upper clear fluid. Solution Brown should be prepared again. 3, instruments spectrophotometer. Precision weighing about 0.025g~0 4, analysis steps. Placed in a 25mL bottle of 5 g sample, plus benzene dissolved sample and dilute to scale. Lessons learned 5.0 mL, placed in a 25 mL test tubes, plus 3mL TCA solution and 5 mL2,4-Dinitrophenylhydrazine solution, shake and mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube 1.at 介词at表时间、表地点。 (1)at表示时间，用于钟点前，用于时刻前，译为"在......时(刻)"。如: at three/three o'clock 在三点。 at a quarter to six 六点差一刻。 at noon 在中午，at night 在夜晚， at midnight 在半夜 at breakfast/lunch/supper 在吃早饭/午饭/晚饭时 at this time of day 在每天这个时候 (2)at表示地点，一般用于较小的地名(方)前，译为" 在......"。如: at home 在家，at the station 在车站 (3)at表示处于......状态，译为"从事于......"。如: at school 在上学，at work 在工作 【相关链接】at加名词一般可与现在进行时态互换使用，表示正在进行的动作，试比较:They are at work./They are working. 2.in 小小介词in，用途却很多。可表时间，表地点，表手段、 方法 快递客服问题件处理详细方法山木方法pdf计算方法pdf华与华方法下载八字理论方法下载 、材料。 (1)in表示时间，用于泛指一天的上午、下午、晚上等;用于某个较长的时间，如年、月、季节等。如: in the morning/afternoon/evening在上(下午)或晚上，in 2003在2003年，in the day/daytime在白天 【相关链接】in还可以表示"从现在起一段时间以后"。如: They will see you in a week.他们将在一周后去看你。 另外，in和at都可以表示时间，但in表示较长的时间，而at 表示时间的某一点。例如: He got up late in the morning and had a meal at noon.他早上起得晚，所以只吃午餐。 (2)in表示地点、场所，译为"在......里"、" 在......中"。如:in the factory 在工厂，in the room 在房间里，in the sun 在阳光下，in the middle of...在......的中央 【相关链接】in和at都可表示地点，而in表示的地点比at所表示的地点大。 (3)in表示用语言，用......材料。译为" 用......，以......方式"。如:in English用英语，in ink用墨水 (4)in表示穿戴的状态，译为"戴着、穿着"。如:in the white shirt穿着白色的衬衫，in the cap戴着帽子 【相关链接】in表示"穿(戴)着"是介词，指状态，同wear 一样。in后接表示服装类的名词或表示颜色的词。如: mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube wall and l0 mL ethanol solution of potassium hydroxide, which makes two liquid layers, stuffed, shaking violently mixed and placed 10min. 1cm Cuvette, reagent blank zero, and 440nm wavelength absorbance measurement. 5, results of calculationsaAcid, shake carefully 5min, began to shake when deflated. Static hierarchy, discard sulfate layer, add 50 mL of sulfuric acid repeat treatment once. the benzene layer is moved into another separatory funnel, washed three times with water, and then by the dehydration of anhydrous sodium sulfate, collected with a glass distillation apparatus distillation distillation liquid. Dinitrophenylhydrazine solution: weigh 50mg 2-4 one or two Nitrophenylhydrazine, l000mL solution in benzene. Trichloroacetic acid solution: weigh the 4 solid three acid 3 g, plus 100mL benzene dissolved. Ethanol solutions of potassium hydroxide: weigh 4 g of potassium hydroxide, and refining ethanol 100 mL dissolve, cold dark night-get upper clear fluid. Solution Brown should be prepared again. 3, instruments spectrophotometer. Precision weighing about 0.025g~0 4, analysis steps. Placed in a 25mL bottle of 5 g sample, plus benzene dissolved sample and dilute to scale. Lessons learned 5.0 mL, placed in a 25 mL test tubes, plus 3mL TCA solution and 5 mL2,4-Dinitrophenylhydrazine solution, shake and mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube Kate is in a red skirt./Kate wears a red skirt.凯特穿着红裙子。 3.on 介词on表示时间、地点、方位等。 (1)on表示时间，用于星期、日期(包括该天的各部分)。如:on Sunday/Sundays，on Monday morning/afternoon/evening等。 on也用于某一日的名词前，用于公共节假日前。如: On New Year's Day 在元旦，on Children's Day 在儿童节等。 (2)on表示地点、位置，有"在......旁"、"接近"、"靠近"之意。如: a house on the main road 临大街的房子， sit on my right 坐在我的右边 (3)on表示状态，译为"处于......情况中，从事于......"等。如: on duty 值日，on holiday 度假 (4)on表示"在......上面"，用在表示物体的名词前。如: on the box 在盒子上 【相关链接】on和over都是介词，on表示"在...... 上面"，指一物体与另一物体表面相接触;over表示"在......上方"，指一物体与另一物体不接触。试比较: There is a light on the desk.桌子上有盏台灯。(light与desk接触) There is a light over the desk.桌子上方有一盏灯。(light与desk不接触) 【特别提示】表示"在......上"，介词on与in必须注意习惯用法，否则会出错。不妨比较一番: on the tree/in the tree都译为"......在树上"。前者表示树上本身所长着的叶子、花、果实等;后者表示某物或某人在树上。 on the wall/in the wall都译为"在墙上"。由于介词不同，在使用上有区别。图画、黑板、风筝等"在墙上"，是因为它们在墙的表面上，故用on the wall;门窗、钉子、洞、孔等"在墙上"，是因为它们在墙的里面，故用in the wall。 4、clothes和clothing clothes泛指服装，包括上、下装，内、外衣 clothing 是衣着的总称，无复数形式，如:man''s clothing 5、 a bit与a little a bit和a little a bit和 a little都有“一点、少许”之意。两进用作名词时，不能直接跟名词或代词，而必须用介of连接。如: mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube wall and l0 mL ethanol solution of potassium hydroxide, which makes two liquid layers, stuffed, shaking violently mixed and placed 10min. 1cm Cuvette, reagent blank zero, and 440nm wavelength absorbance measurement. 5, results of calculationsaAcid, shake carefully 5min, began to shake when deflated. Static hierarchy, discard sulfate layer, add 50 mL of sulfuric acid repeat treatment once. the benzene layer is moved into another separatory funnel, washed three times with water, and then by the dehydration of anhydrous sodium sulfate, collected with a glass distillation apparatus distillation distillation liquid. Dinitrophenylhydrazine solution: weigh 50mg 2-4 one or two Nitrophenylhydrazine, l000mL solution in benzene. Trichloroacetic acid solution: weigh the 4 solid three acid 3 g, plus 100mL benzene dissolved. Ethanol solutions of potassium hydroxide: weigh 4 g of potassium hydroxide, and refining ethanol 100 mL dissolve, cold dark night-get upper clear fluid. Solution Brown should be prepared again. 3, instruments spectrophotometer. Precision weighing about 0.025g~0 4, analysis steps. Placed in a 25mL bottle of 5 g sample, plus benzene dissolved sample and dilute to scale. Lessons learned 5.0 mL, placed in a 25 mL test tubes, plus 3mL TCA solution and 5 mL2,4-Dinitrophenylhydrazine solution, shake and mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube Well, Mrs Green, may be he has caught a bit of cold. There’s a little (=bit of) time left. 还剩一点儿时间。 She knows a bit (=little) of English. 她懂一点儿英语。 a bit 和a little也可用作副词，后面跟形容词或副词。如: The jacket is a bit (=little) large. 这件夹克有点大。 That’s a bit expensive. Can I try them on, please? He ran a little faster than me. 他跑得比我快一点。 little还可用作形容词，表示“小的”、“几乎没有”。如: a little girl(一个小姑娘)、 a little water(有一点水) 注意:not a little 和not a bit的意思完全不同，前者是“许多、很”，后者是“一点儿也不”、“毫不”。试对比: It’s not a bit cold. 天一点儿也不冷。 It’s not a little cold. 天很冷。 6、everyday和every day Everyday是形容词，意思是“日常用的”;every day“每天”是句词短语作状语。例如: You must pay attention to your____English. A.every day’s B.everyday C.everyday’s D.every day 7、have to和must 首先，两者都可译为“应该”或“必须”，都是情态助动词，这是它们的共同之处;但在用法上有以下重要区别: ? have to表示客观条件决定不得不做某事语气较弱;must表示说话人主观的看法，语气较强。 例如: Do I have to say the words? 我必须说这些话吗? You must work hard at English. 你必须努力学习英语。 ?must 只有一种形式，而have to有人称、数和时态的形式变化。 例如: She has to go to school earlier. 她应当早一点儿上学。(一般现在时，单数第三人称) I''ll have to write to him this evening. 今晚我必须给他写信。(一般将来时) mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube wall and l0 mL ethanol solution of potassium hydroxide, which makes two liquid layers, stuffed, shaking violently mixed and placed 10min. 1cm Cuvette, reagent blank zero, and 440nm wavelength absorbance measurement. 5, results of calculationsaAcid, shake carefully 5min, began to shake when deflated. Static hierarchy, discard sulfate layer, add 50 mL of sulfuric acid repeat treatment once. the benzene layer is moved into another separatory funnel, washed three times with water, and then by the dehydration of anhydrous sodium sulfate, collected with a glass distillation apparatus distillation distillation liquid. Dinitrophenylhydrazine solution: weigh 50mg 2-4 one or two Nitrophenylhydrazine, l000mL solution in benzene. Trichloroacetic acid solution: weigh the 4 solid three acid 3 g, plus 100mL benzene dissolved. Ethanol solutions of potassium hydroxide: weigh 4 g of potassium hydroxide, and refining ethanol 100 mL dissolve, cold dark night-get upper clear fluid. Solution Brown should be prepared again. 3, instruments spectrophotometer. Precision weighing about 0.025g~0 4, analysis steps. Placed in a 25mL bottle of 5 g sample, plus benzene dissolved sample and dilute to scale. Lessons learned 5.0 mL, placed in a 25 mL test tubes, plus 3mL TCA solution and 5 mL2,4-Dinitrophenylhydrazine solution, shake and mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube He had to look after his sister yesterday. 8、question和problem problem与question都作"问 题 快递公司问题件快递公司问题件货款处理关于圆的周长面积重点题型关于解方程组的题及答案关于南海问题 "解,但 problem的问题,亦即"难题"需要著于解决;question的问题则需要"回答";problem通常与动词pose,present(作"构成"解),solve,tackle,settle(作"解决"解)等连用;question常与动词answer,ask,raise等连用。例如: What''s the problem? 到底是什么问题。(或你们在争论什么?) What''s the question? 你问的是什么问题? 9、 near beside near表示相对的“近”， 实际距离可能还很远。例如: Suzhou is near Shanghai. There is a post office near our school. beside表示“靠近”，实际距离不可能很远，例如: He was sitting beside her. 10、past pass pass, past这两个词不是同义词，也不是近义词，但初学者容易用错。pass是动词，而past是介词，有时用作形容词或名词。当pass用作动词和past用作介词时，它们都有“过去”和“经过”的意思，这里主要讨论它们这种含义上的用法差别。 Three months passed and then one morning, Sam found his wallet outside his front door. 三个月过去了，后来有一天上午，山姆在自己前门的外面发现了自己的钱包。 After they passed the forest, they came to a river. 他们穿过那个树林后，便来到一条河边。 I go past the post-office every day.我每天都从邮局经过。 It's two minutes past twelve. 现在是十二点过两分。 注:past用作形容词，是“过去的”意思，用作名词是“过去”的意思 The past year was full of troubles. 过去的一年充满着困难。 We knew nothing of his past.关于他的过去情况我们一无所知。 mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube wall and l0 mL ethanol solution of potassium hydroxide, which makes two liquid layers, stuffed, shaking violently mixed and placed 10min. 1cm Cuvette, reagent blank zero, and 440nm wavelength absorbance measurement. 5, results of calculationsaAcid, shake carefully 5min, began to shake when deflated. Static hierarchy, discard sulfate layer, add 50 mL of sulfuric acid repeat treatment once. the benzene layer is moved into another separatory funnel, washed three times with water, and then by the dehydration of anhydrous sodium sulfate, collected with a glass distillation apparatus distillation distillation liquid. Dinitrophenylhydrazine solution: weigh 50mg 2-4 one or two Nitrophenylhydrazine, l000mL solution in benzene. Trichloroacetic acid solution: weigh the 4 solid three acid 3 g, plus 100mL benzene dissolved. Ethanol solutions of potassium hydroxide: weigh 4 g of potassium hydroxide, and refining ethanol 100 mL dissolve, cold dark night-get upper clear fluid. Solution Brown should be prepared again. 3, instruments spectrophotometer. Precision weighing about 0.025g~0 4, analysis steps. Placed in a 25mL bottle of 5 g sample, plus benzene dissolved sample and dilute to scale. Lessons learned 5.0 mL, placed in a 25 mL test tubes, plus 3mL TCA solution and 5 mL2,4-Dinitrophenylhydrazine solution, shake and mix carefully, 30 min at 60 ? c water bath for heating and cooling. Slowly along the tube