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461. phenomenon [finɔminən] n. 现象
The employment problem tends to be a city phenomenon. 就业问题常常是一个城市现象。
462. reluctant [rilʌktənt] a. 不情愿的,勉强的
She was reluctant to give her money away. 她不愿意把钱送给别人。
463. rely [rilai] vi. (on ,upon)依赖,指望
The villagers here rely on wells for their water. 这儿的村民用水全靠井。
464. relevant [relivənt] a. 有关的,切题的
His nationality isnt relevant to whether he is a good lawyer. 他的国籍跟他是不是一个好律师不相关。
465. reliable [rilaiəbl] a. 可信赖的;可靠的;确实的
I found this to be a reliable brand of washing machines. 我觉得这是一种牌子可靠的洗衣机。
466. relief [rili:f] n. 轻松,宽慰；减轻The pills gave her some relief. 药片减轻她一些痛苦。
467. reputation [,repjuteiʃən] n. 名气,声誉
The store has an excellent reputation for fair dealing. 该店买卖公平,声誉极佳。
468. rescue [reskju:] vt./n. 营救He rescued three children from the burning building.
469. triangle [traiæŋgl] n. 三角（形）He drew a right triangle. 他画了一个直角三角形。
470. sequence [si:kwəns] n. 连续；顺序
He described the events of that day in sequence. 他按先后次序描述了那一天发生的种种事件。
471. shallow [ʃæləu] a. 浅的；浅薄的,肤浅的The lake is quite shallow. 这个湖泊很浅。
472. shiver [ʃivə] vi/n. 发抖
As the temperature dropped abruptly, the campers were shivering all over with cold.
由于气温骤降,野营者冷得浑身发抖。
473. shrug [ʃrʌg] v./n. 耸肩Dont just shrug your shoulders. Say something. 不要光耸肩。你讲讲话呀。
474. signature [signitʃə] n. 签名
Petitions bearing nearly a half-million signatures were sent to the White House.
有将近五十万人签名的 *** 书被送到白宫。
475. sincere [sinsiə] a. 诚挚的,真诚的
Henry was sincere about reconciling （和解；和好）with his brother.
亨利真心愿意与兄弟言归于好。
476. utility [ju:tiliti] n. 功用,效用 The store deals in objects of domestic utility. 那家商店出售家庭用品。
477. utilize [ju:tilaiz] vt. 利用
Scientists are trying to find more efficient ways of utilizing solar energy.
科学家正在寻找能更有效地利用太阳能的方法。
478. utter [ʌtə] vt. 说出 a. 完全的,彻底的
We didnt utter a word during the test. 我们在测验时没有说过一句话。
479. variation [,vɛərieiʃən] n. 变化,变动Prices are subject to variation. 价格可以变动。
480. vehicle [vi:ikl] n. 交通工具,车辆；传播媒介;工具,手段
The launch vehicle lifts the satellite into orbit. 运载火箭将人造卫星送入运行轨道。
481. applause [əplɔ:z] n. 鼓掌,掌声
His every sentence was followed by a burst of applause. 他的每一句话都赢得一阵掌声。
482. appliance [əplaiəns] n. 器具,器械；设备
The kitchen is equipped with modern appliances. 这间厨房里安装了各种现代化设备。
483. consent [kənsent] n. 准许,同意 vi (to)准许,同意
They would not consent to my leaving school. 他们不同意我辍学。
484. conquer [,kɔŋkə] vt. 征服；攻克；战胜The city was conquered overnight. 那座城市在夜里被攻克。
485. defect [difekt] n. 缺点,缺陷
We must correct our defects as soon as possible. 我们必须尽快纠正我们的缺点。
486. delicate [delikit] a. 易碎的；娇弱的；精美的
Take care with these delicate flowers. 当心这些娇嫩的鲜花。
487. evolve [ivɔlv] v.演变Language is constantly and gradually evolving. 语言在不断地缓慢发展。
488. evolution [,i:vəlu:ʃən] n. 演变,进化
In the course of evolution, some birds have lost the power of flight.
在进化的过程中, 一些鸟丧失了飞行能力。
489. frow [fraun] n v./n. 皱眉；表示不满[(+at/on/upon)]The father frowned on his sons behavior.
490. frustrate [frʌstreit] vt. 使沮丧；挫败;阻挠；adj. 受挫的;失望的;
He was frustrated by repeated failures. 他因一再失败而灰心丧气。
491. guarantee [,gærənti:] vt./n. 保证You have my guarantee that Ill finish the job on time.
492. guilty [gilti] a. 内疚的；有罪的
Bob felt guilty that he had not made an attempt to save her. 鲍勃为未曾设法救她而感到内疚。
493. jealous [dʒeləs] a. 妒忌的He was jealous of his friends reputation. 他妒忌朋友的声誉。
494. jeans [dʒi:nz] n. 牛仔裤A woman in blue jeans walked into the store.
495. liquor [likə] n. 酒,烈性酒Are brandy and other liquors available here?
496.liter /litre [li:tə] n. 公升A liter is equal to 1,000 c.c. 一公升等于一千毫升。
497. modest [mɔdist] a. 谦虚的；谨慎的；稳重的；He is a very modest person. 他是位非常谦逊的人。
498. molecule [mɔlikju:l] n. 分子
The structure of molecules can be seen under an electron microscope.
分子的结构可在电子显微镜下观察到。
499. orbit [ɔ:bit] n. 轨道；活动范围;知识范围 v. （绕...）作轨道运行
The satellite was launched into orbit around the moon. 卫星被发射进入绕月球运行的轨道。
500. participate [pɑ:tisipeit] v. (in)参与,参加 Everyone can participate in this game.
501.particle n. [pɑ:tikl] 微粒 There are particles of dust in the air. 空气中有尘粒。
502.particularly ad. [pətikjuləli] 特别,尤其 He isnt particularly clever. 他并不特别聪明。
503. respond vi. [rispɔnd] 回答,答复；反应All you know is how they respond.
504.response n. [rispɔns] 回答,答复；反应
Effectively, their response was a refusal.实际上，他们的答复是拒绝。
505.sensible a. [sensəbl]明智的He is a sensible person.他是一个明白人。
506.sensitive a. [sensitiv]敏感到,灵敏的The tooth is sensitive to cold.这颗牙对冷的东西很敏感。
507.tremble vi.] [trembl]颤抖Now, world will tremble once again.世界将再次颤栗。
508.tremendous a. [trimendəs]巨大的；精彩的It was a tremendous experience.这是很棒的经历。
509. trend [trend] n. 趋向,倾向This trend is continuing. 目前，这个趋势仍然持续。
510.trial n. [traiəl] 审讯；试验Will opponents get a fair trial?反对者们会得到公平的审判吗？
511.apparent a. [əpærənt] 显然的,明白的
The trend has been apparent in oil.这一趋势在石油领域也很明显。
512.appetite n. [æpitait]胃口；欲望The baby has a good appetite.这个宝宝有很好的胃口。
513.deposit n. [[dipɔzit]存款,定金 v.存放,储蓄
Dont forget my deposit and your laptop.别忘了我的定金和你的手提电脑。
514.deputy n. [depjuti] 副职,代表
I must find someone to act as a deputy for me during my absence.
我必须找一个人，在我离开期间代理我的职务。
515.derive vt. [diraiv]取得,得到；(from)起源于
We shall derive much benefit from reading good novels. 我们将从优秀小说中获得很大好处。
516.descend v. [disend]下来,下降It is easier to descend than to ascend.下降轻易上升难。
517. missile n. [misail, -səl] 导弹In January 2007 China launched a missile.
518.mission n. [miʃən] 使命；代表团But this was his mission.但是，这就是他的使命。
519.mist n. [mist]薄雾Mist rose from the waterfall.云雾从瀑布中升腾起来。
520.noticeable a. [nəutisəbl] 显而易见到The class has made noticeable improvement.
521.notify vt. [nəutifai]通知,告知Please notify us if the above is not correct.
522.notion n. [nəuʃən]概念；意图,想法
Not for him, then, was the notion of "efficient markets".因此，“有效市场”的概念对他来说是不成立的。
523.resemble vt. [rizembl] 像,类似于
They resemble each other in shape but not in color.它们的形状相似，可是颜色不同。
524.reveal vt. [rivi:l] 揭露Your list will reveal your true feelings.你的列表将要揭露你真实的感受。
525.revenue n. [revənju:] 收入,岁入；税收Tax revenues increased last year. 去年税收增加了。
526.shelter n. [ʃeltə]掩蔽处；住所
Voters expect national leaders to shelter them from the storms.希望国家领导人能保护自己免受冲击。
527.shield n. [ʃi:ld] 防护物,盾 vt. 保护,防护
Yes, of course. My shield is the strongest. It can stop any spear in the world.
当然是了。我的盾是最结实的，它能抵挡住世界上任何矛。
528.vital a. [vaitəl] 重要的；致命的,生命的
Let me start off by saying that sleep is vital to our well-being and health.
让我以这句话开头吧，睡眠对于我们的身心健康是非常重要的。
529.vitally ad. [vaitəli]极度,非常；致命地
530. urban a. [ə:bən]城市的 urban areas. 市区
531.urge vt. [ə:dʒ] 鼓励,激励
I urge these people to look to Africa for inspiration.我很希望这些朋友看一看非洲带来的启示。
532.urgent a. [ə:dʒənt]急迫的,紧急得
533.usage n. [ju:zidʒ]使用,用法American usage differs from English usage in certain ways.
534.violence n. [vaiələns]强力,暴力Theres too much violence on TV nowadays.
535. violent a. [vaiələnt] *** 的It is a violent place.这是一个暴力的地方。
536.violet a. [vaiələt]紫色的A rainbow is red on one edge, violet on the other.
537.weed n. [wi:d]杂草,野草A weed is only a misplaced plant.杂草只不过是长错地方罢了。
538.welfare n. [welfεə]福利There are other measures of human welfare.其它指标也可衡量人类福利
539. whatsoever ad. [,hwɔtsəuevə]（用于否定句）任何
None whatsoever. Its just a book.什么都没有，只是一本书而已。
540. whereas conj. [hwεəæz]然而,但是,尽管
Blue is calming whereas red is exciting.蓝色让人安静，而红色则令人兴奋。
541.essential a. [isenʃəl] 必不可少的；本质的Grammar is essential to language.
542.estimate n./vt. [estimeit]估计,估量What is your estimate of the market?你对市场的估计是什么？
543.evaluate vt. [ivæljueit] 评估,评价How do you evaluate Success ?你是如何评价成功的?
544.exceed vt. [iksi:d]超过,越出They exceed us in number.他们在人数上超过我们。
545.exceedingly ad. [iksi:diŋli] 非常,极其
This task was exceedingly well done.这项任务（被）做得非常出色。
546.exclaim v. [ikskleim]呼喊,大声说When people exclaim, "the worlds gone mad! "
547.exclude vt. [iksklu:d]把...排斥在外,不包括
I think, we can exclude that right away.我想，我们能马上删除这种可能性。
548.exclusive a. [iksklu:siv] 独有的,排他的
Pure and exclusive competition leads to failures.纯粹排他的竞争会导致一事无成。
549.excursion n. [ikskə:ʃən] 远足The whole excursion took ten hours.
550. flash vi. [flæʃ] 闪光,闪耀The stars flashed in the night sky. 夜空中群星闪烁。
551.flee vi. [fli:] 逃走He was trying to flee the country?Why? 他想逃离这个国家?为什么?
552.flexible a. [fleksibl] 易弯曲的Our economy is flexible.我们的经济是灵活的。
553.flock n. [flɔk]羊群,（鸟兽等）一群；一伙人The flock produced many lambs. 羊群产了好些羊羔。
554.hardware n. [hɑ:dwεə] 五金器具Father deals in hardware.我父亲做五金生意。
555.harmony n. [hɑ:məni]和谐,融洽They help us live in harmony. 它们帮我们和谐地生活。
556.haste n. [heist]急速,急忙Haste does not bring success. 匆忙行事不会成功。
557.hatred n. [heitrid]憎恶,憎恨Her hatred for them grew more. 她对他们越来越憎恨。
558.incident n. [insidənt] 事件,事变
The ugly incident outraged many onlookers. 这件不堪丑事让许多旁观者义愤填膺。
559. index n. [indeks] 索引,标志The card catalog is the index to the books. 卡片目录是书籍的索引。
560.infant n. [infənt]婴儿My sisters infant is very lovely. 我姐姐的小婴儿很是可爱。
561.infect v. [infekt]传染A virus wants to infect your body.病毒要传播你的身体。
562.inferior a. [infiəriə]劣等的,次的,下级的Nobody is superior, nobody is inferior.
563.infinite a. [infinət] 无限的We must never lose infinite hope.我们绝不可失去无限的希望。
564.ingredient n. [inɡri:diənt]组成部分The key ingredient is garlic.主要成分是大蒜。
565. inhabitant n. [inhæbitənt] 居民The inhabitant of the island is friendly. 岛上的居民很友善。
566.jail n. [dʒeil]监狱
A bad jail wastes a body quickly.监狱的恶劣环境让身体消瘦起来特别得快。
567. jam n. [dʒæm]果酱；拥挤,堵塞What a terrible traffic jam! 交通阻塞好严重！
568.jewel n. [dʒu:əl]宝石Give him one of my jewel eyes. 摘下我眼中的一颗宝石送给他吧。
569.joint a. [dʒɔint]连接的；共同的The two countries signed a joint communique. 两国签署了联合公报。
570.junior a. [dʒu:njə] 年少的；资历较浅的
John is one of the junior lawyers in the company. 约翰是公司里一个-轻的律师。
571.laser n. [leizə] 激光We keep a laser record. 我们保存激光唱片。
572. launch vt. [lɔ:ntʃ, lɑ:ntʃ]发动,发起
They can launch rockets to push the rock off its course. 他们可以发射火箭将石头推离轨道。
573.luxury n. [lʌkʃəri, lʌɡʒəri]奢侈；奢侈品It is luxury to be understood.
574.magnet n. [mæɡnit]磁铁,磁体The earth acts like a big magnet.地球的作用像一块大磁铁。
575. male a. [meil]男性的,雄的A male was set free in 2006. 2006年一只雄性大熊猫回归大自然。
576.female a. [fi:meil] 女性的,雌的Is your assistant male or female? 你的助理是男的还是女的？
577.manual a. [mænjuəl]用手的,手工做的 n. 手册 He is a manual worker. 他是一位体力劳动者。
578.manufacture vt./n. 制造,加工[,mænjufæktʃə]
The workers in that factory manufacture furniture. 那家工厂的工人做家俱。
579.marine a. [məri:n]海的；海产的Look, here is a *** all marine world.
580. mutual a. [mju:tʃuəl, -tjuəl] 相互的 Focus on mutual goals. 将重点放在共同的利益上。
581.naked a. [neikid] *** 的Some savages always go naked. 有些野蛮人总是赤身裸体。
582.negative a. [neɡətiv]否定的,消极的
I think the film has some negative effect. 我认为这电影有一些消极影响。
583.neglect vt. [niɡlekt] 忽视,忽略We ought not to neglect ourselves. 我们不应该忽视自己的健康。
584.origin n. [ɔridʒin, ɔ:-]起源,出身Origin of the Sugar is Brazil. 白砂糖的原产是巴西。
585. oval a. [əuvəl]椭圆形的 n. 椭圆形Our table is oval in shape. 我们的桌子是椭圆形的。
586.outset n. [autset]开始,开端At the outset, it looked like a nice day. 开始的时候，天看上去很晴朗。
587.presumably ad. [prizju:-məbli,pri:-]大概,可能Presumably youve read this notice.
588. prevail vi. [priveil, pri:-] 流行,盛行；战胜，获胜
Truth is great and will prevail. 真理是至高无上的，且必 将获胜。
589.quit v. [kwit]停止Why did you quit your last job? 你为什么辞掉了以前那份工作？
590.quotation n. [kwəuteiʃən, kəu-] 引文,引语，报价
Our quotation is subject to 5% commission. 我们的报价享受5%的佣金。
591.recreation n. [,rekrieiʃən, -kri:-]娱乐活动Exercise is very good recreation.运动是很好的休閒活动。
592.recruit vt. [rikru:t] 招募,吸收（新成员）
The first step is to recruit new trainees. 第一步就是要招收新学员。
593.rival n. [raivəl] 竞争对手,敌手A great man cannot brook a rival. 伟人不能容忍竞争者。
594.shuttle n. [ʃʌtl]梭子；航天飞机
We all like to see the space shuttle arrive. 我们都很喜欢看到航天飞机的到来。
595.skim vt. [skim] 搬（去）,掠过；浏览Just skim the first chapter.只要把第一章浏览一下就行了。
596.sketch n. [sketʃ] 草图；梗概She is still working on her sketch.她还在画她的素描。
597.slender a. [slendə] 苗条的,修长的Fanny was a pretty and slender girl.
598. theme n. [θi:m]主题The Expos theme is "Better City, Better Life".
本届世博会的主题是“城市，让生活更美好”。
599.textile n. [tekstail, -til]纺织品Perhaps Id better explain. I represent a very large textile group.
600.tropical a. [trɔpikəl] 热带的,炎热的
We want to swim and eat tropical fruit.我们想去游泳，吃热带水果。
601. kneel [ni:l] vi. 跪At church people kneel when they pray.
602. label [＇leibəl] n. 标签vt. 1. 贴标签于2.把…称为，把…说成是…，
They labelled him as dishonest.他们认为他不诚实。
603. merchant [＇mə:tʃənt] n. 商人The merchants of Arab are doing their things all of the world.
604. mere [miə] a. 仅仅的,只不过的；纯粹的
A mere 2% of their budget has been spent on publicity.他们的预算开支只有2%用于宣传。
605. nuisance [＇nju:səns] n. 令人讨厌的东西（或人）The dog is a terrible nuisance.这只狗真令人讨厌。
606. numerous [＇nju:mərəs] a. 众多的,许多的There are numerous people in the square.有许多人在广场上。
607. parade [pə＇reid] n. *** v. 列队行进
The Olympic Games began with a parade of all the competing nations.奥运会以所有参赛国列队进场开始。
608. pants［pænts] [pl.] n. 长裤； *** He rushed out in pants.他穿着短裤就冲出来。
609. partial［＇pɑ:ʃəl ］a. 部分的；热爱，钟爱 ；偏颇，偏袒
A good teacher should not be partial to anyone of the students. 好的老师不应偏袒任何一个学生。
610. passport ［＇pɑ:spɔ:t ］n. 护照Your passports expire. 你们的护照满期了。
611. prescribe ［pri＇skraib] vt. 开药,吩咐采用...疗法The doctor prepared to prescribe a receipt.
612. primitive [＇primitiv] a. 原始的,早期的
Primitive man made himself primitive tools from stones and bones.
613. ridge ] [ridʒ] n. 脊,山脊,埂We walked along the mountain ridge.我们顺着山脊行走。
614. ridiculous [ri＇dikjuləs] a. 可笑的,荒漠的Its the most ridiculous thing Ive ever heard in my life.
615. rigid [＇ridʒid] a. 严格的；僵硬的She was rigid with fear.她害怕得全身僵住了。
616. withstand [wið＇stænd ]vt. 经受,承受The bridge withstands the flood.那座桥经得起洪水。
617. witness[witnis] n. 目击者；证据 vt. 注意到；证明
No one could witness that he was present.没有人能证明他在现场。
618. withdraw [wið＇drɔ:] v. 收回,撤销The general decided to withdraw his soldiers.那位将军决定撤军。
619. slippery [＇slipəri] a. 滑的We found it very slippery under foot.我们感到地上很滑。
620. *** ash [ *** æʃ] vt. 粉碎,打烂The cup fell and *** ashed.杯子落下来摔碎了。
621. snap［snæp] n./vt. 折断,拉断；快照The branch suddenly snapped.树枝突然折断了。
622. software [sɔftwεə] n. 软件Computer software计算机软件
623. solar [＇səulə] a. 太阳的This is a solar calendar.这是阳历
624. lunar ［＇lju:nə] a. 月的,月球的May 5th of the a Chinese lunar calendar is the Dragon Boat Festival.
625. submerge [səbmə:dʒ] vi. 潜入水中
626. submit［ səb＇mit] vi.(to)屈服,听从vt. 提交, 呈递
The developers submitted building plans to the council for approval.开发商把施工方案提交议会以求批准。
627. timber ［＇timbə ］n. 木材,原木The timber has started to decay.木材已开始腐烂。
628. tissue ［＇tisju:] n. 组织；薄纱,手巾纸Give some face tissues to me.给我些面巾纸。
629. title ［＇taitl ］n. 题目,标题I prefer the titleof reporter ．我喜欢报告者的标题。
630. tone [təun] n. 语气,音调His tone is rather unfriendly.他的口气很不友好。
631. drift［ drift] vi. 漂,漂流The snow drifted everywhere.雪飘至各处。
632. drip［ drip] vt. & vi. 滴Water is dripping from the roof.水正从屋顶滴下来。
633. durable [＇djuərəbl] a. 耐用的,持久的I want something durable.
634. duration [djuəreiʃən] n. 持续,持续期间.Earthquake damage and duration increased.
635. dusk[dʌsk] n. 黄昏,薄暮The street lights come on at dusk and go off at dawn.
636. leather [＇leðə ]n. 皮革He has a pair of leather shoes.他有一双皮鞋。
637. legislation[,ledʒisleiʃən] n. 法律,法规；立法They began to draft legislation.他们开始起草法规。
638. leisure[leʒə] n. 闲暇；悠闲He read books at his leisure.他在空闲时读一些书。
639. loose［ lu:s ］a. 松的,宽松的She is wearing a loose dress.她穿着一件宽松的连衣裙。
640. loosen [＇lu:sən] v. 解开,放松The medicine may loosen your cough.这种药能减轻你的咳嗽。
641. earnest [＇ə:nist] a. 认真的,诚挚的.I like earnest pupils.
642. hence ［hens] ad. 因此,所以；今后,从此Its handmade and hence expensive.这是手工做的, 因此很贵。
643. echo ［＇ekəu] n. 回音,回声I could hear the echoes in this temple.我在这座庙里能听到回声。
644. elaborate ［i＇læbəreit] a. 精心设计的,复杂的vi. 详尽说明
You understand the situation; I neednt elaborate any further.
645. elastic [i＇læstik]n. 橡皮圈（带） a. 有弹性的；可伸缩的, 灵活的
Our plans are fairly elastic.我们的计划有相当的灵活性
646. elbow ［＇elbəu] n. 肘Dont lay your elbows on the desk.．不要将两肘放在书桌上。
647. electron [ilektrɔn] n. 电子An electron tube or a vacuum tube. 电子管或真空管
648. volcano[vɔlkeinəu] n. 火山The eruption of a volcano is spontaneous.火山的爆发是自发的。
649. volume [vɔlju:m] n. 卷,册；体积,容量
For that article he has worked over some 30 volumes of Chinese history.
650. fatigue ［fə＇ti:ɡ］n. 疲劳,劳累The old lady cant bear the fatigue of a long journey.
651. faulty [fɔ:lti] a. 有错误的,有缺点的We traced the trouble to a faulty transformer.
我们查出故障出在一个有毛病的变压器上。
652. favorable[feivərəbl] a. 称赞道；有利的,顺利的They are favorable to the proposal.他们赞同这项提议。
653. favorite[feivərit] a. 特别受喜欢的 n. 喜爱的人或物Football is my favorite．足球是我最喜欢的。
654. gallery [＇ɡæləri] n. 画廊The art galleries of Florence are very famous.佛罗伦萨的美术馆非常著名。
655. gallon［＇ɡælən ］n. 加仑Id like five gallons of wine.我要五加仑葡萄酒。
656. gap [ɡæp] n. 间隔,差距
How can we bridge the gap between rich and poor? 怎样才能缩小贫富之间的差距？
657. garbage[ɡɑ:bidʒ] n. 垃圾,废物
The sanitation department is in charge of garbage disposal.环境卫生部门负责处理垃圾。
658. gaze[ɡeiz] v. 凝视,注视Please dont only gaze at the coffee in your cup.
659. gear [ɡiə] n. 齿轮,传动装置You have to change gear manually in this car; its not automatic.
660. gene [dʒi:n] n. 基因
In this case, an advantageous gene transfer might be preserved. 这样的话，优势基因转移将会得以保留。
661. lest [lest]conj. 唯恐,免得I shall ring you up lest you forget to come. 我会打电话给你，以免你忘了来。
662. liable[laiəbl] a. 可能的,大概的；(to)易于...的；有责任的，有义务的
Every man is liable to error. 人总是要犯错误。
663. liberal[libərəl]a. 自由的；慷慨的；
They have also tended to be more liberal economically than their French counterparts
在经济上，他们趋向于比他们的法国同行更加强调自由主义。
664. liberty[libəti] n. 自由You may extinguish a nation, But not the love of liberty.
你可以消灭一个国家，但不能消灭对自由的热爱。
665. license /license[laisəns] n. 许可证,执照Can I see your drivers license?
666. moisture[mɔistʃə] n. 水分；湿度；潮湿；降雨量Plants suck moisture from the earth.
667. motivate[məutiveit] vt. 激励,激发Teachers should motivate students to be creative.
668. motive[məutiv] n. 动机,目的So far investigators have not offered any motive for the attack. 直至目前，调查人员还没有任何可能的袭击动机。
669. generate[dʒenəreit] vt. 生成,产生（光、热、电等）；生殖
The new car factory will generate a lot of jobs in the area. 新汽车厂将为该地区创造大量就业机会。
670. genius[dʒi:njəs] n. 天才,天赋 Genius is nothing but labor and diligence. 天才只不过是劳动加勤奋。
671. genuine [dʒenjuin] a. 真的,真诚的
The hostess warm and genuine *** made us feel at home at once.
672. gasoline [ɡæsəli:n] n. 汽油His old car consumed much gasoline. 他的旧车耗油很多。
673. germ [dʒə:m] n. [植] 胚芽，萌芽；微生物,细菌
Keep yourself and the bathrooms clean and germ-free.讲究卫生，保持洗手间清洁无病菌。
674. gesture[dʒestʃə] n. 姿势,手势Handshake is a gesture of friendship. 握手是一种友好的表示。
675. giant[dʒaiənt] a. 巨大的 n. 巨人,巨物The whale is the giant of the sea. 鲸鱼是海洋中的庞然大物。
676. glimpse [ɡlimps]n. 一瞥,一看I caught a glimpse of the waterfall when our train passed by.
677. glory [ɡlɔ:ri] n. 光荣,荣誉
They fought for glory and won a glorious victory. People glorified them.
他们为荣誉而战，取得了辉煌的胜利，人们颂扬他们。
678. glorious[ɡlɔ:riəs] adj. 光荣的,极好的Pardon is the most glorious revenge. 宽恕是最伟大的报复。
679. golf [ɡɔlf] n. 高尔夫球运动。
680. hydrogen[haidrədʒən] n. 氢Hydrogen is the lightest element . 氢是最轻的元素。
681. oxygen [ɔksidʒən] n. 氧
682. hostile [hɔstail]a. 敌对的,敌意的
At worst, they sound hostile to democracy. 从最坏方面看，他们似乎对民主有敌意。
683. household [haushəuld]n. 家庭,户adj. 家庭的；日常的household expenses. 家庭开支。
684. hook [huk]n. 钩vt. 钩住；引上钩
685. holy [həuli] a. 神圣地,圣洁的 The holy ceremony he has just heard has moved him.
686. hint[hint] n. vt. 暗示,示意The calm sea gives no hint of the coming storm.
687. hesitate [heziteit]v. 踌躇； 犹豫
Opportunities to use English are all around you. So dont hesitate . Just jump right in—the waters fine. 在我们身旁就有许多使用英语的机会。所以不要犹豫，勇敢地投入吧！周遭的环境很适宜的。
688. highlight [hailait] vt. 强调,突出n. 最精彩的部分
The highlight of the trip was the visit to the Eiffel Tower. 这次旅行最精彩的部分就是参观艾菲尔铁塔。
