2021大學(xué)英語四級英語詞根練習(xí)100天(匯總)
1. [詞根辨識]指出下列單詞中字母組合un的含義與發(fā)音：
① university ② uninvited ?、?uniformize
④ uninformed ?、?univocal ?、?unvoiced
2. [由此及彼]根據(jù)已知單詞的詞義推斷出其同根詞的詞義。
① bicycle n.雙輪自行車→unicycle n.
② cell n.細胞→unicellular a.
③ biped a.雙足的→uniped a.
④ bipolar a.雙極的→unipolar a.
⑤ equivocal a.多義的；含糊的→univocal a.
3. [望文生義]根據(jù)所學(xué)詞根的知識推測下列單詞的詞義。
① reunify v.
reunification n.
② reunite v.
reunion n.
③ unidirectional a.
④ unilayer n.
⑤ unilinear a.
4. [同義相連]（提示：ax=axis；flor =flower；plan=plane；pod=foot；val=value。）
① uniaxial a.單花的
② uniflorous b.單軸的
③ unisexual c.單性的
④ univalent d.獨腳的
⑤ unipod e.單價的
⑥ uniplanar f.位于同一平面的
5. [尋根問底]指出下列單詞的詞根并領(lǐng)會其詞義的由來。
① disunite v.使不統(tǒng)一；使不和；分裂；分離
disunion n.分離；分裂；不統(tǒng)一；不和
disunity n.不統(tǒng)一；不團結(jié)
② triune a.三位一體的 n.三人一組；三個一套
triunity n.三位一體
③ universe n.宇宙；全人類；整體
universal a.宇宙的；普遍的
university n.綜合性大學(xué)
④ universalism n.宇宙神教
⑤ unitarian n.唯一神教派的教徒
unitarianism n.唯一神教派
⑥ unicameral a.（議會）單院制的
⑦ unimodal a.（曲線）單峰的
⑧ unipotent a.只能向一個方向發(fā)展的
95. ven, vent [L]=to come來
在常用詞convene，convenient，invent和prevent中，有一對同源異形根ven和vent，意思相當于to come（來）或to happen（發(fā)生）。ven來自拉丁動詞venire的不定式詞干；vent是動名詞詞干。
convene [con-(com-)=together一起；ven=to come來；-e→] v. come or call together;assemble 集合；召集：The committee convened every Monday.委員會每星期一開會。
▽convener [conven(e);-er n.] n.會議召集人
convention [con-;vent;-ion n.] n.會議；召集；常規(guī)
conventicle [con-;vent;-icle n.] n.集會；集會場所
convenient [con-(com-)=together一起；ven=to come來；-i-;-ent a.=having the quality有……性質(zhì)的→“easy for people to come together便于人們來到一起的”→] v.① within easy reach;handy近便的；附近的：My house is in a convenient location for shopping.我住的地方上街買東西很近便。② suited to what one needs 便利的；方便的：convenient time方便的時間
▽convenience [con-;ven;-ience n.] n.便利；方便；適當?shù)臋C會
event [e-(ex-)=out出；vent=to come來→“something that comes out or happens出來或出現(xiàn)的事情”→] n.① coming out, or result結(jié)局；結(jié)果：Those who play with fire will get burned in the event. 玩火者終將自焚。② happening;incident or occurrence事件；事變；大事：historical events歷史事件
▽eventual [event;-u-;-al a.] a.最后的；結(jié)局的；可能發(fā)生的
eventuate [event;-u-;-ate v.] v.結(jié)果；歸結(jié)
eventful [event;-ful a.] a.多事的；多變故的
invent [in-=upon到；vent=to come來→“to come upon來到，碰上”→] v. think up or make something new;originate or create for the first time發(fā)明；創(chuàng)造：The first compass was invented in China. 指南針是中國首先發(fā)明的。
▽invention [invent;-ion n.] n.發(fā)明；創(chuàng)造；發(fā)明物；創(chuàng)造力
inventive [invent;-ive a.] a.發(fā)明創(chuàng)造的；有創(chuàng)造力的
prevent [pre-=before先；vent=to come來→“to come before so act earlier先來所以早行動”→] v.① keep from happening by taking measures beforehand預(yù)防：to prevent diseases預(yù)防疾?、趆inder effectually妨礙：A poor vocabulary prevents me from getting ahead.詞匯量太少妨礙我進步。
▽prevention [prevent;-ion n.] n.預(yù)防；妨礙
preventive [prevent;-ive a./n.] a.預(yù)防的 n.預(yù)防措施
preventable [prevent;-able a.] a.可預(yù)防的
avenue [a-(ad-)=to到；ven=to come來；-ue n.=thing物→“way for people to come to some place讓人們來到某地的路”→] n.① way to a result; the means of getting something 途徑；手段：an avenue toprosperity通向繁榮的途徑② road;wide street道路；大街：the Fifth Avenue in New York紐約的第五大街
intervene [inter-=between在……之間；ven=to come來；-e→] v. come between; be between 干涉；介入：I won't intervene your private affairs.我不想干涉你的私事。
▽intervenient [interven(e);-i-;-ent a.] a.干涉的；介入的
intervention [inter-;vent;-ion n.] n.干涉；介入
revenue [re-=back回；ven=to come來；-ue n.=thing物→“thing that comes back from a certain source 從某種來源收回來的東西”→] n.① income收入：one's revenue一個人的總收入 ② the income of a state國家歲入；稅收：the Public Revenue國庫收入
▽revenuer [revenu(e);-er n.] n.稅務(wù)官
adventure [ad-=to到；vent=to come來；-ure n.=the result表結(jié)果→“the result of a coming to somebody來到某人身上的事情”→]Ⅰn.① chance機會；運氣② chance one takes;risk冒險：military adven-ture軍事冒險→Ⅱv.① chance or risk拿……進行冒險：He adven-tured his life to save you.他冒生命危險去救你。② risk oneself冒險：He adventured on commercial speculation.他冒險作商業(yè)投機。
▽adventurism [adventur(e) n.;-ism n.] n.冒險主義
adventurous [adventur(e) v.;-ous a.] a.愛冒險的；有危險性的
circumvent [circum-=around環(huán)繞；vent =to come來→] v.① come or move around圍繞；繞行② surround so as to capture by wit圍困：to circumvent enemy troops圍困敵軍③sidestep;keep away from回避：to circumvent the law鉆法律的空子
▽circumvention [circumvent;-ion n.] n.圍繞；包圍；回避
2021大學(xué)英語四級英語詞根練習(xí)100天(匯總)
