英语选修八第二单元单词派生

1、B8u 2克隆，period1 words and expressions，1 .differ VI。不同_ _ _ _ _ _ _ _ _ _ _ _ _正确_ _ _ adv精确精确3。commerce n .商业，贸易_ _ _ _ adj .商业，贸易correct adj. V .修改，修改_ _ n。修改，修改accumulate v .积累，积累_ _ _ _ _ _ _ _短_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _短规则_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ n .规则、规则性、一致性、正则性经常、定期13。popula

2、rity n .受欢迎且受欢迎的_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ adj .受欢迎的14。resist v.Regulation、regularity、popular、resistance、resister、15。decorate v .装饰，勋章授予_ _ _ _ _ _装饰品勋章，勋章reason n .原因，原因；v .推理、思考、争论_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ adj .合理的17.exist v .上传存在effect n .影响_ _ _ adj .有效_ _ _ _ _ _ _ _ _ _ n

3、.效率rearydiffer from=be different from他的观点和他父母的观点不同。(两种方法)His views differ from those of His parents . His views are different from those of His parents . tell the difference between A and b a和B A和B之间的区别have2.undertake undertook undertaken vt。开始；开始。从事1)under take sth . 2)under take to do sth .答应/承认做某

4、事。我们的生物老师要求我们开始简单的实验。our biology teacher required us to under take some simple experiments。政府承诺尽快查明事故原因。the government undertook to find out the cause of incident as soon as possible。3 .pay off (1)取得了良好的效果。成功英译汉：all those weeks of studying will pay off when you take the exam。那几周的所有学习在考试时都会有效果。(2)偿还和

5、偿还once I pay off my entire loan。一旦我还清了所有的贷款，一分钱都不剩了。扩大 pay off ones debt偿还债务，pay back偿还，将钱存入帐户，pay up支付，偿还债务，4 .cast down感到沮丧和不快。常用于被动语态。(cast cast cast) be/feel cast down使人沮丧、沮丧和沮丧。例句1)期末考试不及格，玛丽很沮丧。(完成文章)Mary _ _ _ _ _ _ _ _ _ _ _ _ _ _ as she failed in the final exam . 2)中国北部发生了严重的旱灾(翻译)_ _ _ _ _

6、 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _渔民们在河里撒网。2)the tragedy cast a shadow on their lives。悲剧给他们的生活蒙上了阴影3)every citizen over 18 years old in our country has the right to cast a vov:cast aside放弃了，cast off解除了，接线人cast out赶走了某人object VI。反对，1)不赞成object to sth。反对某事。2) object to doing sth。反对

7、做某事。3) object that是local residents objected to the development plan。当地居民反对此发展I object to _ _ _ _ _ _ _ _ _ _(pay)that much for a car。我不赞成花那么多钱买车。some people objected that the new tax law was unfair。有人反对新税法不公平。paying，objection .不赞成。反对，1)make an objection to sth . 2)have a strong objection to doing st

8、h . 3)raise/present an objection提出异议的那个小男孩极力反对那么早起床。the little boy has a strong objection to getting up so early . no objections were raised at the time。当时没有人提出异议。6 .“获得”attain、obtain、achieve、gain、get的区别get应用最广，可以通过多种方式获得多种东西。Where can I get enough information？从哪里可以获得足够的信息？Achieve是指克服困难取得胜利后，强调成功是“获

9、得”的结果。He achieved his ambition in the end .他最终实现了他的抱负。Attain是正式用语，在严肃的场合主要是为了达到重要目的或取得宝贵的东西而努力。the scientist attained great fame by a new discovery。那位科学家以新的发现而闻名。gain是指经过很多努力后获得或获得对自己有利的东西。(莎士比亚，温斯顿，努力)They gained the victory after a bloody battle。流血战斗后，他们取得了胜利。Obtain是指通过努力或恳求得到急需或迫切想要的东西。Howard Had

10、 Failed to Obtain a Scholarship Howard没有获得奖学金。7 .forbid vt。禁止，禁止(forbid-forbade/for bad-forbidden)1 forbid doing sth。禁止做某事2)forbid His father is very stubborn and _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 法律是_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 我父母总是支持我

11、的所有决定。_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _帮助恢复a favour my parents are always in favour of all my decisions，in favour of，9。owe vt.1)债务等owesb.sthOwe sth。to sb。翻译：欠房东100美元。I owe the landlord one hundred dollars。=I owe one hundred dollars to the landlord。谢谢。owe sth。to sb。由/sth引起

12、。他们把这个发现归功于牛顿。(汉译英)they owed this discovery to Newton . he owes his success more to luck the做某事的义务/责任1)明天天气一定会好转。the weather is bound to get better tomorrow . 2)在全国人民的帮助下，灾区很快就会恢复。With the help of the whole nation，the disaster-hit area is bound to recover soon . 3)此时，我认为有必要指出我不同意你的看法。I am bound to say I disagree with you on this point。11 .strike v .打击、冲突、罢工(strike struck struck n .罢工在以下句子中strike的1)the child ran into the road and was struck by a car