2017高考英語詞匯備考:aid

字號:

【句子】
    Snow aids farmers by keeping heart in the lower ground levels, thereby saving the seeds from freezing.
    雪對農(nóng)民是一種幫助,因?yàn)樗3值貙油寥赖臏囟?,使種子不致凍死。
    【解析】
    1.aid的用法
    1)用作名詞
    ① 表示一般意義的“幫助”或“援助”,是不可數(shù)名詞:
    The family lived on government aid for two years.
    這一家人靠政府援助生活了兩年。
    ②表示“助手”或“輔助用品”等具體意義,是可數(shù)名詞:
    A dictionary is an important aid in learning a new language.
    詞典是學(xué)習(xí)一種新語言的重要工具。
    ③用于短語:
    (a) come (go) to one’s aid 來(去)幫助某人:
    They all came to my aid.
    他們都來幫助我。
    (b) in aid of 用來幫助...:
    He collected money in aid of charity.
    他為資助慈善事業(yè)募捐。
    該短語通常用于 What’s ...in aid of?(...有什么用?)這樣的結(jié)構(gòu):
    What’s the money in aid of?
    這錢作什么用?
    (c) with the aid of 借助...的幫助:
    We may travel with the aid of a good map.
    我們可以靠一張好地圖去旅行。
    2)用作動詞(及物)
    They aided us with money.
    他們用錢資助我們。
    注意以下正誤句型:
    我們已幫助他們提前完成了工作。
    正:We’ve aided him to finish the work ahead of time.
    正:We’ve aided him in finishing the work ahead of time.
    誤:We’ve aided him finish the work ahead of time.
    3)比較 aid 與 help:
    ①help 屬普通用詞,多用于口語和一般性文體;而 aid 則屬正式用詞,多用于較正式的文體。
    ②在表示較大的經(jīng)濟(jì)或物質(zhì)幫助時一般用 aid, 較少用 help。
    ③兩者句型有同有異:
    正:help sb (to) do sth (to 可省略)
    誤:help sb doing sth
    正:aid sb to do sth (to 不可省略)
    正:aid sb in doing sth
    誤:aid sb do sth
    2.save常見短語
    1)save for (v.+prep.)為…積蓄
    It is necessary to save for when you are ill or too old to work.
    有必要存些錢以備生病或年老不能工作時用。
    2)save from (v.+prep.)從…中救出,使免受
    The brave soldier saved a child from a burning house.
    那勇敢的戰(zhàn)士從著火的房子里救出了一個孩子。
    3)save till (v.+prep.)把…保存到…
    Let's save this bottle of wine till Christmas.
    我們把這瓶酒留到圣誕節(jié)再喝吧。
    4)ave up (v.+adv.)儲存起來
    I am saving up to buy a car.
    我在攢錢買車。
    【練習(xí)】
    We thought of selling this old furniture,but we've decided to _____ it. It might be valuable.(2002全國高考題)
    A. hold on to B. keep up with
    C. turn to D. look after