86、The basic causes are unknown, although certain conditions that may lead to cancer have been_____.(北航2013年)
- Identified
- Guaranteed
- Notified
- Conveyed
答案:A
解析:词语辨析题。identify识别,认出;guarantee保证;notify通知,告知,通常以书面形式通知;convey传达,表达(思想、感情等);根据题意,可知答案选A选项。句意:虽然导致癌症的某些条件已经鉴别出来,但是根本的原因还不得而知。
87、The town planning commission said that their financial outlook for the next year was optimistic. They expect increased tax _______.(北航2013年)
- Efficiency
- Revenues
- Privileges
- Validity
答案:B
解析:名词辨义。efficiency意为“效率,效益”,如:Friction lowers the efficiency of a machine. (摩擦降低机器的效率);revenue意为“收入,税收”,如:defraud the revenue (漏税,逃税);privilege意为“特权,优惠,特别待遇”,如:grant sb. the privilege of doing sth. (赋予某人做某事的特权);validity有效性,正确,正确性;根据句意,可知答案选B选项。句意:该城镇计划委员会说他们对明年的经济前景持乐观态度,他们期待着税收有所增加。
88、The original elections were declared _______ by the former military ruler.(北航2013年)
- Void
- Vulgar
- Surplus
- Extravagant
答案:A
解析:词义辨析。void无用的,无效的;vulgar粗俗的,低级的;surplus过剩的,剩余的; extravagant浪费的,过分的句意:原先的选举被前军事统治者宣布为无效。
89、When he realized he had been _______ to sign the contract by intrigue, he threatened to start legal proceedings to cancel the agreement.(北航2013年)
- elicited
- Excited
- Deduced
- Induced
答案:D
解析:动词辨析。elicit意为“得出,引出”,如elicit a reaction(引起反应);excite意为“使兴奋”; deduce意为“推论,演绎出”;induce意为“促使,劝诱”,符合句意。故答案选D选项。句意:当他意识到他签这份合同是受到蒙蔽所致时,就威胁说要诉诸法律来终止这份协议。
90、They stood gazing at the happy _______ of children playing in the park.(北航2013年)
- Perspective
- View
- Landscape
- Scene
答案:D
解析:perspective远景,景观;view景色,尤其指从某一个特定的地方看到的景色; landscape风景;scene某一个场面或场景,符合句意,应选D选项。句意:他们站在那里看着孩子们在公园玩耍的欢乐场面。