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1、2013高考英语必备 （句子+语法解析+真题练习）100句搞定高考7000词 69期【句子】Snowaidsfarmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.雪对农民是一种帮助，因为它保持地层土壤的温度，使种子不致冻死。【解析】1.aid的用法1)用作名词 表示一般意义的“帮助”或“援助”，是不可数名词：The family lived on government aid for two years.这一家人靠政府援助生活了两年。表示“助手”或“辅助用品”等具体
2、意义，是可数名词：A dictionary is an important aid in learning a new language.词典是学习一种新语言的重要工具。用于短语：(a) come (go) to ones aid 来(去)帮助某人：They all came to my aid.他们都来帮助我。(b) in aid of 用来帮助.：He collected money in aid of charity.他为资助慈善事业募捐。该短语通常用于 Whats .in aid of?(.有什么用?)这样的结构：Whats the money in aid of?这钱作什么用?(c)
3、 with the aid of 借助.的帮助：We may travel with the aid of a good map.我们可以靠一张好地图去旅行。2)用作动词(及物)They aided us with money.他们用钱资助我们。注意以下正误句型：我们已帮助他们提前完成了工作。正：Weve aided him to finish the work ahead of time.正：Weve aided him in finishing the work ahead of time.误：Weve aided him finish the work ahead of time.3)比
4、较 aid 与 help：help 属普通用词，多用于口语和一般性文体；而 aid 则属正式用词，多用于较正式的文体。在表示较大的经济或物质帮助时一般用 aid, 较少用 help。两者句型有同有异：正：help sb (to) do sth (to 可省略)误：help sb doing sth正：aid sb to do sth (to 不可省略)正：aid sb in doing sth误：aid sb do sth2.save常见短语1) save for (v.+prep.)为积蓄2)It is necessary to save for when you are ill or to
5、o old to work.有必要存些钱以备生病或年老不能工作时用。2)save from (v.+prep.)从中救出,使免受The brave soldier saved a child from a burning house.那勇敢的战士从着火的房子里救出了一个孩子。3)save till (v.+prep.)把保存到Lets save this bottle of wine till Christmas.我们把这瓶酒留到圣诞节再喝吧。4)save up (v.+adv.)储存起来I am saving up to buy a car.我在攒钱买车。【练习】We thought of selling this old furniture,but weve decided to _ it. It might be valuable.（2002全国高考题）A. hold on to B. keep up withC. turn to D. look after3
