1. [詞海垂釣]從詞典中“釣”出一串同根詞吧。
① ab-
② con-
2. [同義相連]將左欄中的單詞和右欄中相對應的詞義連接起來。
① projection a.拋棄；拒絕
② subjection b.發(fā)射；規(guī)劃
③ ejection c.沮喪；氣餒
④ rejection d.隸屬；征服
⑤ dejection e.驅逐；射出
3. [尋根問底]指出下列單詞的詞根并領會其詞義的由來。
① interjacent a.處在中間的
② ejaculate v.射出液體；突然喊出
ejaculator n.射出者；突然叫喊者
ejecta n.噴出物；廢物（提示：e-
③ subjacent a.低下的；下層的
④ interject v.突然插入
interjection n.插入物；感嘆詞
⑤ objection n.厭惡；反對
objectionable a.令人不愉快的
⑥ traject v.拋越；扔過
trajectory n.彈道；軌道，軌跡（提示：tra-
4. [節(jié)外生枝] ject有個異體jet，以下是主要的派生詞。請分析其詞義。
① jet v.噴出；噴射 n.噴射；噴射口
② jettison v.（在緊急情況下）將貨物拋出船外；拋棄；丟棄
③ jetsam n.（在緊急情況下）拋出船外的貨物；無用的棄物
④ jetty n.碼頭
47. junct, join [L]=to connect連接
在常用詞conjunction，juncture，disjunctive中，詞根junct來自拉丁動詞jungere的動名詞形式junctum，其意思相當于to connect或to join，即“連接”。常用詞join其實是拉丁詞根junct在法語中的變形。作為英語詞根，join主要構成動詞。
conjunction [con-(com-)=together一起；junct=to connect連接；-ion n.=the act or state表行為或狀態(tài)→“connecting together連接在一起”→] n.① connection;association連接；結合：We'll have a party in conjunction with Class One.我們要和一班聯(lián)合開晚會。②word connecting two grammatical elements together連詞：“But”is a conjunction.“But”是個連詞。
▽conjunctive [con-;junct;-ive a.] a.連接的；聯(lián)系的
junctrure [junct=to join連接；-ure n.=the state表行為狀態(tài)→“joining of places or times地點或時間相連的狀態(tài)”→] n.① place where several pieces of land joined交界處：the juncture of three provinces三省交界處② point of time which joins affairs關頭：an important juncture in history歷史的重要關頭
disjunctive [dis-=not不；junct=to connect 連接；-ive a.=having the quality有……性質的→“not connecting不連接的”→] a.① tending to separate分離的：disjunctive element分離因素② disjoining the sense, or making an adverse sense when uniting sentences轉折的：disjunctive conjunction轉折連詞
injunction [in-=in入；junct=to join連；-ion n.=the act表行為→“the act of joining in or butting in legally合法的牽連進去或介入”→] n. act of ordering authoritaively命令，指令：an injunction against strikes禁止罷工的命令
▽injunctive [in-;junct;-ive a.] a.命令的；指令的
adjunct [ad-=to于；junct=to join連接→“being joined to a main body被連接在主體上”→]Ⅰa. subordinate;secondary附屬的；次要的：an adjunct phrase附加語→Ⅱn. things joined or added, but subordinate附屬物，附屬品：The chain is an adjunct to the watch.表鏈是掛表的附屬品。
junction [junct=to connect連接；-ion n.=the state表狀態(tài)→“the state of connecting連接的狀態(tài)”→] n. place where lines or routes connect or cross線路的接合點；交叉點：the junction of two highways兩條公路的交會點
subjunctive [sub-=under在……之下；junct=to join連接；-ive a.=having the quality有……性質的→“joining under a certrain condition連接在某種條件之下的”→] a. joining to a sentence, expressing condition, hypothesis, possibility虛擬的（添在句子上用以表示條件、假設、可能的）：subjunctive mood虛擬語氣
adjoin [ad-=to于；join=to join連接→“to join to與……相連”→] v. be next to and often connected with貼近；毗連：Our school adjoins the fields.我們的校園與農(nóng)田相連。
rejoin [re-=again再；join v.連接→] v. join again after being separated重新連接：to rejoin the severed arm斷臂再植
subjoin [sub-=under在……之下；join=to join連接→“to join under連在下面，添加上去”→] v. add at the end or afterwards增補；附加：to subjoin a postscript to a letter在信末加上附言
