1. [词根辩识]
A.判断下列单词中,哪些含有词根ag,act:
① age ② aggression③ agitational④ agaze
⑤ tractor ⑥ factory ⑦ actuary ⑧ coaction
B.判断下列派生词中act是词根还是单词:
① react ② re-act ③ ex-actor ④ exactor
⑤ underact ⑥ overact ⑦ coact ⑧ enact
2. [举一反三]根据例子写出后面单词的中文意思。
A.例:agitate v.鼓动→agitator n.鼓动者
① act v.行动,行为→actor n.
② exact v.强索,强征(捐税等)→exactor n.
③ activate v. [化]使活化→activator n.
B. active a.积极的→actively ad.积极地
① interactive a.相互作用的→interactively ad.
② reactive a.反动的→reactively ad.
③ counteractive a.抵制的→counteractively ad.
3. [望文生义]根据已知单词的含义求出其同根词的含义。
① 已知:coact v.共同行动,合力工作(提示:co-=together)
求:coaction n.
coactive a.
② 已知:counteract v.抵抗,抵制;抵消(提示:counter-=against)
求:counteraction n.
counteractive a.
③ 已知:retroact v.倒行;追溯既往(提示:retro-=backward)
求:retroactive a.
retroaction n.
4. [同义相连]请将左栏的单词和右栏中相对应的词义连接起来。
A.含ag的名词派生词
① coagent a.反作用剂;反抗力
② subagent b.共事者;合作者
③ reagent c.副代理人
④ counteragent d.反应力;反应物
⑤ subagency e.分代理处
B.含act的名词派生词
① activable a.不活动的;不活跃的
② exactable b. [化] 能被活化的
③ inactive c.可强取的;可强求而得的
④ reactionary d.倒行的;有追溯效力的
⑤ retroactive e.反动的
5. [寻根问底]指出下列单词的词根并领会其词义的由来。
① coagency n.合作
② agitprop v.宣传鼓动(提示:prop=propoganda宣传)
③ coagulate v.(使)凝结;(使)合为一体
④ actuary n.(保险)精算师
⑤ enact v.制定(法律);通过(法案);颁布
⑥ underact v.表演(角色)不够充分
2. am, amat [L]=to love爱
常用词amiable和amateur分别来自同源异形根am和amat。am是拉丁动词amare的不定式词干;amat是这个动词的动名词词干,意思都相当于to love(爱)。
amiable [am=to love爱;-i-;-able a.=capable of可……的→“capable of being loved可爱的”→] a. lovable, or kindly可爱的;和蔼的:an amiable old lady可亲的老太太
amateur [amat=to love; -eur (-er) n.=person 人→“persaon who does something for loving it (rather than for money)因爱好(不是为金钱)从事某项活动者”→] n. person who practices an art, sport or science for his own pleasure(艺术、体育、科学等)业余爱好者:radio amateur业余无线电爱好者
▽amateurism [amateur;-ism n.] n.业余活动
amateurish [amateur n.业余爱好者;-ish a.=like像…的→“like an amateur(rather than a professional hand)像业余的,不内行的”→] a. unskillful不老练的,外行的:He is still amateurish in playing golf.他打高尔夫球还不老练。
▽amateurishness [amateurish;-ness n.] n.外行
amicable [amic(来自 am 的同根名词 amicus)=person one loves, or friend亲爱者,朋友;-able a.=able to be能当……的→“able to be one's friend能做朋友的”→] a. in a friendly spirit, or peaceable友好的;和睦的:amicable settlement和解
▽amicability [amicab(le);-ility n.] n.友好;和睦
amour [am=to love爱;-our n.=the state or result表状态或结果→“loving or the result of loving恋爱或恋爱的结果)”→] n.① love恋爱② love affair桃色事件,偷情
▽amorous [amo(u)r;-ous a.] a.恋爱的;多情的
enamour [en-v.=to cause to be使;amour n.=love恋爱→“to cause to be in love使恋爱”→] v. inflame with love使迷恋:Her beauty enam-oured the prince.王子被她的美貌迷住了。
amatory [amat=to love爱;-ory a.=related to与……有关的→] a. related to loving;expressing love恋爱的;爱慕的:amatory poems情诗