1.abdicate v.放棄，丟棄(to discard)

詞根記憶：ab(離去)+dic(說話，命令)+ate(做)一被命令離去一放棄

例:A democratic government should not abdicate its responsibilities as a guardian of the public interest.

2.abnormal a．反常的(unusual, exceptional)

國詞根記憶：ab（離去）+norm（標(biāo)準(zhǔn)）+al一脫離標(biāo)準(zhǔn)的一反常的

例：It is the periodic abnorma/warming of the sea surface off Peru.

同根詞：norm(n.標(biāo)準(zhǔn)，規(guī)范)：normal(a．正常的，正規(guī)的)

3.abolish v.取消，廢除（to end the observance or effect of）

詞根記憶：該詞來自拉丁文abolere，表示“破壞；使滅絕；阻止，妨礙”

例：The committee abolished all entry requirements.

派生詞:abolition(n.廢除)：abolitionist(n.廢奴主義者)

4.absenteeism n.曠工, 曠課(chronic absence, as from work or school)

詞根記憶：absent(缺席)+ee(人)+ism一曠課，曠工

例：Acorn Valley reports few instances of tardiness, absenteeism,or discipline problems.

5.absorb v.吸收(to sick up or take up );同化(to take in and make part of an existant whole)

詞根記憶:ab(離去)+ sorb(吸收)一吸收掉一吸收

例:A Plant absorbs and stores nickel from the soil as it grows.//It is difficult to absorb them into a city economy.

6.abstract a.抽象的(difficult to understand); n.摘要(summary)

詞根記憶:abs+trat(拉)一將大意從文章中拉出-摘要

例:Professor Brown's books are very abstract and are hard to read。//You can tell if a paper is worrthwhile by reading jts abstract.

派生詞:abstracted( a.心不在焉的);extract( v.摘取，抽出)

同根詞:intractable( a.難處理的);contract( n.合同)

7.absurd a.荒唐的(rid iculously unreasonable)

詞根記憶:ab+surd(不合理的)-不合理的-荒唐的

例:The opponents’reasoning leads to an absurd conclusjon，

派生詞:absurdity( n.荒謬)

8.abundant a.大量的，豐富的：富裕的：多的( plentiful)

詞根記憶:a（無）+bund（看作bound邊界）+ant（…的）一多得沒邊的-大量的

例:Japan's abundant rainfall and typically mild temperature have produced a lush vegetation cover.

派生詞:abundance( n.大量;充足)

9.academic a．學(xué)院的：學(xué)術(shù)的( of schools, colleges);n.學(xué)者(teacher at a university,college; professional scholar)

例:Nova High School began to use interactive computer instruction in three academic subjects.

派生詞:academician(n.院士;學(xué)會會員)；nonacademic(a.非學(xué)術(shù)的)

10.accelerate v.加速，促進(jìn)( to hasten the progress or development of)

詞根記憶：ac（加強(qiáng)）+celer(速度)+ate一加快速度-+促進(jìn)

例:Government spending accelerates the pace of inflation.//The introduction of Westem ideas to Korean society accelerated after 1977.

派生詞:acceleration(n.加速)；accelerator(n.加速器)

同根詞：celerity(n.迅速)：decelerate(v.減速)