1.administer v.管理，執預to manage or supenise the execution,use,or conduct of）；用藥( dispense of apply(a remedy or drug))

聯想記憶：ad（做）+minis(管理)+ter--管理

例:administer tribal lands管理部落的土地，//The nasal spray vaccine is not effective when administered to adults.

派生詞:administration(n.管理：管理部門)：administrative(a.管理的，行政的)

2.admit v.(t0)承認(to acknowledge)；準許…進入（to allow entry）

詞根記憶：ad+mit(送)--能送進去--準許…進入

例:In a survey of job applicants, two-fifths admitted to being at least a little dishonest.

派生詞:admittance(n.準入)：admission(n.準許進入)

3.adolescent n.青少年( young person between childhood and adulthood)；a.青春期的(typical of time between childhood and adulthood)

詞根記憶：ado(看作adult成人)+lescent(開始或正在形成的)--開始成為成年人的--青少年

例:The children of authoritative parents are likely to be responsibly independent as adolescents.

派生詞:adolescence(n.青春：青春期)

4.adoption n.采用，采納( accepting)；收養(taking sb.into one's family, esp.as one's child or heir)

詞根記憶：來自adopt(v.采用;收養)

例:adoption of new technologies采用新技術//There are far fewer children available for adoption than there are people who want to adopt.

派生詞:adoptive(a.采納的；過繼的)

5.advent n.到來，出現( coming into being or use)

詞根記憶：ad+vent(來)--到來

例:The advent of private hospital health insurance guaranteed the private hospital a regular source of income.

同根詞：intervention(n.干涉)：convention(n.大會;習俗)

6.adverse a.逆的(acting against or in a contrary direction)；不利的(unfavorable, harmful)

詞根記憶：ad+vers(轉)+e一對著轉一逆的，不利的

例:The adverse effects of poor performance by the firm are significant for the client.

派生詞:adversely( ad.反過來，相反)：adversary(n.敵手，對手)

7.advertising n.廣告：廣告業( the business of preparing advertisements for publication or broadcast)

詞根記憶：來自advertise(v.做廣告)

例:A key decision required of advertising managers is whether a"hard-sell" or "soft-sell' strategy is appropriate for a specific target market.

同根詞：advertisement(n.廣告：宣傳)

8.advocacy n.擁護，支持( the act or process of advocating)

詞根記憶：來自advocate(v.提倡;擁護)

例:Traditional news sources seldom report the views of political advocacy groups accurately.

9.advocate v.提倡，支持(to support) n.支持者，提倡者(adherent)

詞根記憶：ad+voc(叫喊，聲音)+ate--為其搖旗吶喊--支持

例:The school board adVocated purchasing new books.

派生詞:advocacy(n.擁護；鼓吹)

10.aerodynamic a.空氣動力學的(of a science dealing with the forces acting on solid bodies moving through air)

詞根記憶：aero(空氣)+dynamic(動力學的)--空氣動力學的