英语词根——练习34:
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    2021大学英语四级英语词根练习100天(汇总)

       1. [词海垂钓]从词典中“钓”出一串同根词吧。

       ① de-

       ② circum-

       ③ inter-

       ④ dif-(dis-)

       2. [同义相连]异形根flux构成一些与flu的派生词语义相当的名词。将左栏中的单词和右栏中相对应的词义连接起来。

       ① afflux           a.逆流;退潮

       ② conflux           b.流向

       ③ influx           c.流出

       ④ efflux           d.合流;汇合

       ⑤ relux            e.流入;涌进

       3. [词义判断]以下是两对词义容易混淆的同根词。选择最恰当的词义。

       ① influent a.   A.流入的   B.流行性感冒的   C.有影响的

       ② influential a.  A.流入的   B.流行性感冒的   C.有影响的

       ③ fluence n.   A.影响力   B.流畅       C.流行性感冒

       ④ fluency n.   A.影响力   B.流畅       C.流行性感冒

       4. [寻根问底]指出下列单词的词根并领会其词义的由来。

       ① mellifluence n.(声音等的)甜美;流畅

       ② mellifluous/mellifluent a.甜美的;甜蜜的(提示:melli=honey)

       5. [节外生枝]

       ① fluct是flux的异体,主要有以下两个派生词:

       fluctuate v.波动

       fluctuation n.波动

       ② flu与英语单词flow(流,流动)音义相近,可帮助记忆下列单词。

       inflow n.流入;输入

       reflow v.流回;落潮

       overflow v.溢出;泛滥

       35. form [L]=shape;to form形状;形成

       form是英语常用词,既可当名词,又可当动词。其实,form还是个重要的拉丁词根,作为名词性词根,它来自forma,意为shape(形状);作为动词性词根,它来自formare,意为to give a shape to即to form(形成)。

       form [form=to give a shape to形成→] v.① make in a centain shape使成形,制作:to form vessels out of clay用粘土制成器皿② organize组成:to form a club组成一个俱乐部 ③ take shape成形,生成:to form an idea想出一个主意

       ▽formation [form;-ation n.] n.形成;组成;形成物;组成物

       formal [form=shape形状;-al a.=of……的→] a.① of shape or appear-ance形式上的,表面的:the formal structure of a poem诗的形式结构 ② regular or routine正式的,例行的:formal invitation正式请柬

       ▽formality [formal;-ity n.] n.拘泥形式;正式手续;礼节

       formlism [forml;-ism n.] n.形式主义

       formalist [formal;-ist n./a.] n.形式主义者 a.形式主义的

       formalize [formal;-ize v.] v.使形式化;使正式;使定形

       informal [in-;formal] a.非正式的;不拘礼节的

       inform [in-=in入;form=to give form to给……形状→“to give form into something 给某物以形状”→“to describe it 描述某物”→] v. give knowledge to 告知,通知:Please inform him of the changes in the schedule.请将计划变动的事通知他。

       ▽informant [inform;-ant n.] n.提供消息(或情报)的人

       information [inform;-ation n.] n.通知;消息;信息;资料

       reform [re-=again再;form=to give form to使成形→“to give a new form to 使再成形”→] Ⅰv. ① make or become better 改造:to reform prisoners改造犯人② improve by removing faults or abuses改革,改良:to reform city administration改革市政管理→Ⅱn. improvement改革,改良:a reform in fundamental point of view基本观点的改革

       ▽reformism [reform;-ism n.] n.改良主义

       reformist [reform;-ist n./a.] n.改良主义者 a.改良主义的

       reformation [reform;-ation n.] n.改革,改良,革新

       formula [form=shape形成;-ula n.=little thing小东西→“a little shape小形式”→] n.① set form of words used regularly俗套话:polite formula礼貌用语② prescription处方,配方:a formula for making perfume制香水的配方 ③expression showing algebraic rule数学公式,方程式:algebraic formula数学公式

       ▽formular [formul(a);-ar a.] a.公式的

       formulary [formul(a);-ary n.] n.公式汇编;俗套话;药典

       conform [con-(com-)=together 共同;form=to shape 形成→“to shape together with 与……共同成形”→] v.① become the same in form相似,一致:The goods conformed to the sample. 货物和货样一致。② be in agreement with遵照,适应:to conform to the rules遵守规则

       ▽conformable [conform;-able a.] a.相似的;相适应的

       conformity [conform;-ity n.] n.遵照;相似;一致

       conformism [conform;-ism n.] n.因循守旧,墨守成规

       conformist [conform;-ist n./a.] n.遵奉习俗者a.墨守成规的

       deform [de-=away离;form=to shape使成形→“to be away from shape使离形”→] v. ① put out of shape使变形:Heat deforms plastic.热使塑料变形。② spoil the shape of使畸形:Tight shoes may deform feet.鞋子太紧会使脚畸形。

       ▽deformation [deform;-ation n.] n.损形;变丑;畸形;变形

       deformity [deform;-ity n.] n.畸形状态;畸形的人(或物)

       deformable [deform;-able a.] a.能变形的,可使之变形的

       transform [trans-=across到另一方;form=to give shape to使成形→“to give shape across or give one shape from the other使转化、使改观”→] v. ① change in form or appearance 使变形,使改观:A tadpole is transformed into a frog.蝌蚪变成青蛙。② change in nature or quality使改造,转变:Responsibility transformed him form a careless boy into a capable teacher.责任把他从一个粗心的男孩改变成一位能干的教师。

       ▽transformation [transform;-ation n.] n.变化;转变;改革

    2021大学英语四级英语词根练习100天(汇总)

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