Unit 4 Section A system n. 系统，体系，身体，制度 the solar system 太阳系 a social system 社会制度

Unit 4 Section A system n. 系统，体系，身体，制度 the solar system太阳系 a social system社会制度 under the new/old system在新/旧制度下 have system in one’s work工作有条理

It’s not the educational ____ itself but the way that it’s performed that needs improving. A. methods B. system C. process D. means √

match n. 对手，火柴，比赛，配偶，般配的人 v. 相配，和...相配，相一致，较量 match…with…使…和…搭配 match up to相当，配得上 be a match for与…相匹配 find/ meet one’s match棋逢敌手，遇上对手 match point最后决定胜负的分，赛点

1. She chose a pair of the leather boots whose color would ___ her new skirt well. A. compare B. suit C. match D. agree 2. Her shoes ____ her dress; they look very well together. A. suit B. fit C. compare D. match √ √ suit指条件、口味等合乎需要 fit指大小、尺寸合适 compare比较，对照 match指颜色、款式等的搭配

combine v. 联合，使结合，结合 n. 集团，联合收割机，联合企业 combine with sth.同某物结合成一体 combine A and B 使A、B合成一体 combine A with B将A同B组合 combine常指2个或多个非物质的事物互相融合。 join强调吧分离的东西合并为一个整体。 unit强调联合后形成新的整体，统一行动 connect指两个不同的、分离的事物在某一点上互相接触，但各自仍保持原有的独立性。

1. If your knowledge can be in some way ____ with my experiences, we are sure to succeed. A. joined B. united C. connected D. combined 2. You can’t _____ studying for your exams with a wild social life. A. combine B. join C. compare D. compete 3. Nowhere in nature is aluminium (铝）found free, owing to its always ____ with other elements, most commonly with oxygen. A. combined B. having combined C. combine D. being combined √ √ √

violent adj. 猛烈的，强烈的，暴力的，极端的 do violence to…向…行凶；强暴对待… take by violence 强暴 lay violent hands on…对…行凶，向…下毒手 violent death横死 a violent reaction反应强烈 a violent storm 暴雨 a violent change 剧变 have a violent temper 脾气暴躁

1. The villagers were often in ____ conflicts with each other in those years before the agreement was reached. A. peaceful B. spiritual C. violent D. interested 2. Tom’s father is so ___ that Tom is afraid to tell him he has failed. A. violent B. quiet C. happy D. pleasant √ √

explode vi. 爆炸，激增，爆发 vt. 使爆炸，驳倒 explode a bomb = set off a bomb使炸弹爆炸 explode a superstition 破除迷信 explode into wild laughter突然大笑起来 the exploding world population迅猛增长的世界人口

1. The person said, “We must get rid of the bomb in the street, or when it ____ many people will be hurt.” A. explodes B. exploded C. will explode D. explode 2. We must take steps to prevent the ____ world population. A. exploded B. exploding C. explosion D. explosively √ √

in time 及时,迟早，总有一天 kill time消磨时光 ahead of time提前，趁早all the time一直，始终 at a time 一次 at one time曾经，一度 at the same time at times = sometimes from time to time不时地have a good / hard time in no time立即，立刻 once upon a time从前 take one’s time不着急 on time

1. Every possible means has been used, but they couldn’t finish the task ____. A. in no time B. in time C. at times D. ahead of time 2. Don’t worry. I’m sure you’ll succeed ____ if you work hard. A. on time B. in time C. at times D. ahead of time √ √

in one’s turn轮到某人，接着 in turn 依次，轮流，逐个，相应地，转而 take turns in sth./ to do sth.轮流做… It’s one’s turn to do sth.轮到某人做某事 by turns 轮流，交替 keep time（钟表）走得准 in time for sth/ to do sth.来得及/及时做某事 against time争分夺秒 for the time being暂时，暂且

1. Some plants can take in carbon dioxide we breathe out and give off oxygen ____. A. In case B. in turn C. in return D. in addition 2. We’d better discuss everything ___ before we work out the plan. A. in detail B. in general C. on purpose D. on time √ √

surface n. 表面，外表，平面 adj. 表面的，肤浅的 vt. 在 ... 上加表层，使 ... 成平面 vi. 浮到水面，显露，在表面工作 the surface of the water在水面上 on the surface在表面上，从外表看 the surface of the earth=the earth’s surface地球表面 a surface wound轻度创伤 surface impressions肤浅的印象

She ___ again years later in London. Which of the following is wrong? A. appeared B. turned up C. surfaced D. found √

harmful →harm → harmless → harmlessly do sb. Harm=do harm to sb.对某人有害 do sb. good=do good to sb.对某人有好处 do sb. wrong =do wrong to sb.委屈某人 do sb. a favor=do a favor for sb.帮某人的忙

1. Everyone knows smoking is ___ to their health, but many of them can’t bear themselves away from it. A. harmful B. good C. helpful D. bad 2. The harm the modern farming methods have done ____ the countryside is considerable. A. on B. to C. at D. for √ √

encourage vt. 鼓励，促进，支持 encouragement→encouraging encourage sb. to do sth.鼓励某人做某事 All the employees except the manager___ to work online at home. A. encourages B. encourage C. is encouraged D. are encouraged √

multiply vt. 乘，增加，使繁殖，增值 vi. 做乘法，繁衍 adv. 多样地，多重地 1. It is possible ____ bacteria (细菌） and other living organisms (生物） in the laboratory. A. to grow B. to multiply C. to produce D. to make 2. Your assistance _____ our chances of success. A. challenged B. enriched C. accumulated D. multiplied √ √

development n. 发展，开发，生长，进展，[摄]显影，新开发区 develop → developer → developing →developed →developmantal developing countries发展中国家 developed countries发达国家 less developed countries欠发达国家

1. The new ___ of the election is that Mr Fox has led by five points. A. number B. development C. situation D. appearance 2. One of the best ways for people to keep fit is to ____ healthy eating habits. A. grow B. develop C. increase D. raise √ √

grow into sth. 变成，长成， 变得习惯于，不用于被动语态 grow away from sb. 逐渐疏远某人 grow on sb.逐渐为某人所喜爱 grow out of sth.产生于；长得太大而穿不上衣服 grow up （指人或物）长大；成长；成熟

1. Before leaving his hometown he planted a small plant at the entrance to the village. Now it ____ a tall tree. A. is grown into B. is growing C. has grown into D. has been grown into 2. As time went on, her dislike _____ his bad behaviour. A. grew away from B. grew on C. grew up D. grew out of √ √

spread v. 传播，展开，散布，铺开，伸展，涂撒 n. 范围，传播，差额，幅度，盛宴词形变化: spreadablespreadablyspreadabilityspreadspreadspreadingspreads spread sth. With sth.将…铺于…上 spread A on B 在B上涂A spread B with A 将A 涂在B上 spread out 传开 spread rumors 散布谣言 spread oneself舒展身体 spread the table铺桌子 spread the load分摊（工作量）

1. Paper making began in China and it ___ to North America and Europe. A. spread B. grew C. carried D. develop 2. Don’t open that e-mail. I hear there is a computer virus that ____ rapidly through users’ e-mail system. A. floats B. arrives C. develops D. spread √ √

prevent…from阻止；制止 prevent sb. From doing sth stop sb. from doing sth. keep sb. from doing sht. protect …from…保护…不受…损害

1. He made up his mind to devote his life _____ pollution ____ happily. A. to prevent; to live B. to prevent; from living C. to preventing; to live D. to preventing; from living 2. We suggest that they provide an effective warning system to keep most of the disasters ____ A. happening B. being happened C. from happening D. from being happened √ √

depend dependence dependent independent depend on 依靠，依赖；相信，信赖；取决于…，视…而定 depend on/ upon sb./ sth.依靠/信赖某人（事） depend on / upon sth.受…的影响，由…决定，取决于 depend on sb. to do sth./ doing sth.指望某人做某事 that depends. = It (all) depends.视情况而定。 rely on 依靠，依赖 believe in sb.信任某人 trust (in) sb. 信任（信赖）某人

1. Mr Green is an honest man, so you can fully ___ him. Which of the following is wrong? A. believe in B. trust in C. depend on D. deal with 2. ---How often do you eat out ? ---____ , but usually once a week. A. As usual B. It depends C. Have no idea D. Generally speaking 3. Whether an operation should be performed in this case ____ the patient’s general condition. A. depends on B. relies on C. counts on D. depends of √ √ √

exist v. 存在，生存，活着, 有 exist →existing →existence in existence存在 come into existence出现，产生 exist on vt. 靠 ... 活下去... exist in vt. 存在于 exist as vt. 以 ... 存在

1. ---Do you believe that God really ___? --- Sorry, I’ve never thought about it. A. has B. remains C. stays D. exist 2. When ____ Pakistan ____ as an independent country? A. was; come into existence B. did; come into existence C. was; come to existence D. did; come to existence √ √

give birth to 生产；分娩 at birth出生，诞生 by birth天生地，生来 be of good/noble birth出身名门 a second birth再生，新生 bring…to birth使产生

1. The woman ___ birth to twins last night might turned out to be a film star/ A. to give B. who gave C. given D. being given 2. The Chinese nation has ____ many national heroes and revolutionary leaders. A. given birth to B. sung praise for C. given a reward to D. keep records of √ √

cool down变凉，冷却；（使人）冷静，镇静 1. I think you should wait until she’s _____ . A. cooled down B. cooled up C. cooled out D. cooled in 2. Water _____, it will become ice. A. cool B. to cool C. cools D. cooled √ √

lay eggs下蛋 lay v. 放置，躺下，打赌，设计，击倒，产卵，使平静，压平 n. 地形，位置，叙事短诗，交媾 adj. 外行的，世俗的词形变化: laidlaidlayinglays The living room is clean and tidy, with a dining table already ___ for a meal to be cooked. A. laid B. chosen C. gotten D. had √

1. It is one of the funniest things ___ on the Internet so far this year. A. finding B. being found C. to find D. found 2. ___ we’ll go climbing tomorrow depends on the weather. A. I f B. Whether C. That D. Where 3. ___ all the inventions have in common is ____ they have succeeded. A. What; what B. That; that C. What; that D. That; what √ √ √

Unit 4 Section A system n. 系统，体系，身体，制度 the solar system 太阳系 a social system 社会制度