1. Researchers discovered that plants infected with a virus give off a gas that _____ disease resistance in neighboring plants. [A] contracts [B] activates [C] maintains [D] prescribes 2. Corporations and labor unions have_____ great benefits upon their employees and members as well as upon the general public. [A] conferred [B] granted [C] flung [D] submitted 3. The movement of the moon conveniently provided the unit of month, which was_____ from one new moon to the next. [A] measured [B] reckoned [C] judged [D] assessed 4. The judge ruled that the evidence was inadmissible on the grounds that it was_____ to the issue at hand. [A] irrational [B] unreasonable [C] invalid [D] irrelevant 5. Fuel scarcities and price increases_____ automobile designers to scale down the largest models and to develop completely new lines of small cars and trucks. [A] persuaded [B] prompted [C] imposed [D] enlightened
1.[考点]动词辨析 [分析]contract意为“使缩短”;(较正式用法)染上(疾病),如:Metal contracts as it cools.(金属冷却时会收缩。)Two-thirds of the adult population there has contracted the disease.(那里三分之二的成年人都染上了这种疾病。)activate意为“使活动,激活,使活化”,如:activate the burglar alarm/the gene(使防盗报警器响/激活基因)。maintain意为“保持,维持”,如:maintain the status quo(维持现状)。prescribe意为“开处方”,如:prescribe some medicines(开点药)。[B]activate符合句意,放在句中意为“激活对病毒的抵抗力”。 [句意]研究人员发现,感染了病毒的植物会散发出一种气体,来激活周围植物的疾病抵抗能力。 2.[考点]动词搭配 [分析]confer意为“给予,授予(学位,证章、头衔等)”,常接sth. on/upon sb.,如:The queen conferred a noble title on her minister.(女王授与大臣以贵族头衔。)因此,[A]项符合句子要求。grant意为“准予,授予”,一般接双宾语sb. sth或者sth. to sb.,如:The bank granted a loan to me.(银行给了我一笔贷款。)fling意为“抛,扔”,如:fling one’s clothes about(到处乱扔衣服)。submit意为“提交,呈送”,一般接sth. to sb.,如:submit the papers to the examiner(把试卷交给主考老师)。 [句意]公司和工会已经给它们的雇员、会员及广大公众提供了许多福利待遇。 3.[考点]动词辨析 [分析]measure意为“测量(大小,数量)”,如:measure the speed(测量速度)。reckon意为“估计,计算”,如:The age of the earth is reckoned at about 4600 million years.(估计地球的年龄大约为46亿年。)judge意为“判断,评定”,如:judge between right and wrong(判断是非)。assess意为“评价,评定(性质、质量)”,如:assess the effects of these changes(评价这些改变的效果)。根据句意,[B]reckon正确。 [句意]月亮的运行很便利地提供了月份这个单位,它从某一次新月到下一次新月进行计算。 4.[考点]形容词辨析 [分析]irrational意为“不合逻辑的,没有道理的”,如:an irrational fear(无端的恐惧)。unreasonable意为“不合理的,非理智的”,如:unreasonable conduct(无理行为)。invalid意为“(法律上)无效(力)的”,如:an invalid license(作废的执照)。irrelevant意为“无关的”,常和介词to搭配,如:be irrelevant to the subject(不切题)。因此,[D]irrelevant正确。 [句意]法官裁定对该证据不予采纳,理由是它与正在审理的案件无关。 5.[考点]动词辨析 [分析] persuade意为“劝说”,可接sb. to do sth.,如:persuade him to give up(劝他放弃)。prompt意为“敦促,促使”,可接sb. to do sth.,如:prompt him to speak it out(促使他讲出来)。impose意为“强加”,一般接sth. on sb.,如:impose additional financial burdens on people(给人们增加额外的经济负担)。enlighten意为“启发,开导,阐明”,如:She didn’t enlighten him about her background.(她未向他讲明自己的出身背景。)选项中,impose和enlighten不能接不定式,首先排除;persuade的动作发出者一般是人,而句中的主语是fuel scarcities and price increases,因此排除[A],[B]正确。 [句意] 燃料短缺及价格上涨促使汽车设计人员减少大型车的设计,转而开发全新的小型轿车和货车。