2017高考英語詞匯備考:horticulture

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【句子】
    The science of horticulture, in which the primary concerns are maximum yield and superior quality, utilizes information derived from other sciences.
    主要目的在于豐富和優(yōu)質(zhì)的農(nóng)藝學(xué)利用了其他科學(xué)的知識。
    【解析】
    1.horticulture n.園藝學(xué)
    Horticulture is the industry and science of plant cultivation.
    園藝是一種產(chǎn)業(yè)和科學(xué)的栽培植物。
    2.in which, for which, on which, at which的不同用法
    1)這些都是定語從句里面,由which引導(dǎo)的定語從句,介詞提前。下面這些介詞的使用除了意思上的區(qū)別,具體是要以which引導(dǎo)的從句而定的。
    ①in which可以翻譯成在……里面
    The school (that/which) he once studied in is very famous.
    = The school in which he once studied is very famous.
    ②for which可以翻譯成為了……目的
    Tomorrow I will bring here a magazine (that/which) you asked for.
    = Tomorrow I will bring here a magazine for which you asked.
    ③on which可以翻譯成在……的上面,或具體時間的某一天
    I have a dresser in my bedroom, which there are many cosmetics on.
    = I have a dresser in my bedroom on which there are many cosmetics.
    ④at which可以翻譯成在……里面或在……
    The dumpling House which he often has dumplings at is very popular.
    = The dumpling House is very popular, at which he often has dumplings.
    2)當(dāng)然第一點只是介詞作為基本意思的用法,還有一些固定搭配,得具體情況具體分析。
    ①The plane may be several hours late, in which case there’s no point in our waiting.
    (固定搭配:in the case)
    ②The speaker paused to examine his notes, at which point a loud crash was heard.
    (固定搭配:at the point)
    ③Ten years of hard work changed her greatly, for which reason he could hardly recognize her at first sight.
    (固定搭配:for the reason)
    ④The film at which I fell asleep was very boring.
    (Here "at which" is based on "fell asleep at the film"因為電影無聊而睡覺。)
    ⑤The little creature in which scientists are interested is known as ET.
    (這里"be interested in"是詞組原因)
    ⑥This is the book for which he is looking.
    (即等于This is the book which he is looking for,這主要是因為look for 這一短語)
    3.maximum
    1)n.量;限度;點
    This hall holds a maximum of seventy people.
    這廳最多容納七十人。
    2)adj.的;極限的
    The maximum temperature in July may be 36 Celsius degree.
    七月份溫度可能達到36攝氏度。
    4.derive
    1)v.獲取;得自;起源
    We shall derive much benefit from reading good novels.
    我們將從優(yōu)秀小說中獲得很大好處。
    2)derive不論是用作不及物動詞,還是用作及物動詞,都與介詞from搭配使用,表示“從…得到或派生”。
    Anna's strength is derived from her parents and her sisters...
    安娜的堅強源自于她的父母和姐姐們。
    【練習(xí)】
    Wind power is an ancient source of energy ______ we may return in near future.
    A. in which B. by which
    C. to which D. from which