1. [同义相连]将左栏中的单词和右栏中相对应的词义连接起来。
① ambitious a.有野心的；有抱负的
② transitory b.开始的；入门的
③ initiatory c.煽动叛乱的
④ seditionary d.关于死亡的，讣告的
⑤ obituary e.短暂的；昙花一现的
2. [寻根问底]指出下列单词的词根并领会其词义的由来。
① ambit n.界线；范围；领域；涉及面
② coition n.性交（提示：co-=with）
③ preterit(e) n.过去时
preterition n.省略，不提；忽略，遗漏（提示：preter-=past）
④ adit n.进口，入口；进入，到达（提示：ad-=to）
3. [节外生枝]下列单词也是it的同根词，只是词根发生较大的变化。
① itinerate v.巡回，巡游[it→itiner]
itinerant a.巡回的，巡游的 n.巡回者
itinerancy n.巡回，巡游
itinerary n.旅程；路线；旅行计划
② perish v.丧生；消亡；腐败，腐烂[it→ish]
perishable a.易腐败的；易死的；易消亡的
③ transience n.短暂，倏忽；无常[it→i]
transient a.短暂的，倏忽的；无常的
④ issue v.流出，出来，发出；发行[it→iss]
issuer n.发行者，发行人
46. jac, ject [L]=to throw投掷
词根jac和ject是同源的，它们都来自拉丁动词jacere，意思相当于to throw（投掷）。其中，jac是不定式词干，在英语中派生词较少；ject是动名词词干，有较强的派生能力。
adjacent [ad-=to, next to向，靠近；jac=to throw投；-ent a.=-ing……的→“being thrown to something，or lying next to it被投向某物的，靠近某物放置的”→] a. situated or located near one another;adjoining邻近的；毗连的：adjacent troops友邻部队
▽adjacency [ad-;jac;-ency n.] n.毗邻；接近；邻接物
inject [in-=into入；jest=to throw投→“to throw or shoot into投入或射入”→] v. shoot or force some fluid or drug into the body with a syringe注射：The nurse injected penicillin for him.护士给他打了青霉素。
▽injection [inject;-ion n.] n.注射；针剂
project [pro-=forward向前；ject=to throw投射→]Ⅰv. throw forward投掷，发射：to project a guided missile发射导弹→Ⅱn. something put forth or proposed;plan提出或规划的事；计划：a project for developing local industry发展地方工业的规划
▽projector [project v.;-or n.] n.放映机；计划人
projectile [project v.;-ile a./n.] a.抛射的 n.抛射体
eject [e-(ex-)=out出；ject=to throw投→“to throw out扔出去，抛弃”→] v. cast out;expel逐出；驱逐：He was ejected from the country.他被驱逐出国。
▽ejector [eject;-or n.] n.驱逐者；喷射器
ejective [eject;-ive a.] a.喷出的；逐出的
reject [re-=back回；ject=to throw投→“to throw back something given or unneeded抛回所给的或不需要的东西”→] v.① refuse to accept拒受，抵制：to reject an offer of help拒绝别人的帮助② throw away;put aside抛弃；剔除：to reject weak seeds剔除不好的种子
▽rejectee [reject;-ee n.] n.被拒绝者；遭剔除者
rejector [reject;-or n.] n.拒绝者；抛弃者
adjective [ad-=to向；ject=to throw投；-ive a.=being……的→“being thrown to a main body被投向主体的”→]Ⅰa.① added;dependent添加的；从属的：adjective dyes间接染料② added to noun as to qualify it修饰名词的；形容词的：an adjective phrase形容词短语→Ⅱn. word added to a noun to qualify it形容词：attributive adjective定语性形容词
▽adjectival [adjectiv (e) n.;-al a.] a.形容词的
object [ob-=in the way of在……的面前；ject=to throw投→“something thrown in one's way被投放在眼前的物体”→] n.① things observed or material things客观物；物体：shining objects发光体② things aimed at, or purpose目的物；对象：an object of study研究对象③ word or group of words aimed at by a verb or preposition（动词或介词的）宾语：the object of a transitive verb及物动词的宾语
▽objective [object;-ive a.] a.客观的；宾语的
objectify [object;-ify v.] v.使客观化；使具体化
subject [sub-=under在……之下；ject=to throw 投→“to throw under one's control投在某人控制之下”→]Ⅰv. throw or bring under control使受制，使隶属：Accient Rome subjected most of Europe to her rule.古罗马帝国使欧洲大部分臣属于它。→Ⅱa. subordinate从属的：a subject state属国→Ⅲ n.① one who is subject to a sovereign臣民：the subjects of a king国王的臣民② that which subjects the purpose of speaking or writing主题；题目：the subject of conversation谈话的主题③ the part in a sentence which subjects主语：“I”is the subject in“I see the cat”.“I”是“I see the cat”的主语。
▽subjective [object;-ive a.] a.主语的；主观的
deject [de-=down下；ject=to throw or cast投，抛→“to cast down in spirit情绪抛落下去”→] v. discourage;make sad or gloomy使沮丧；使气馁：She looked dejected.她显得垂头丧气的。
