1.Some people believe that since oil is scarce, the ________ of the motor industry is uncertain. A) terminal B) benefit C) fate D) estimate 1,选C。本句是由believe引导的一个宾语从句,在宾语从句中有一个原因状语since oil is scarce. 参考译文:一些人相信由于石油的稀少,汽车工业的前景是不确定的. 2.To speed up the ________ of letters, the Post Office introduced automatic sorting. A) treatment B) delivery C) transmission D) departure 2,选B。本句前半部分为不定式做目的状语,后半部分为主句.虽然结构比较简单,但却含有非谓语动词这一十分重要的语法现象, 词组speed up当“加速”讲. 参考译文:为了加速信件的投递,邮局引入了自动分拣设备. 3.These overseas students show great ________ for learning a new language. A) enthusiasm B) authority C) convention D) faith 3,选A。本句根据上下文的意思,以及介词for,可以选出答案enthusiasm.enthusiasm的形容词形式为enthusiastic,其固定搭配enthusiastic about 表示热衷于...的意思.authority有两个固定搭配,an authority on表示在...方面的权威,authority over 对...的凌驾. 参考译文:这些海外学生对学习一门新语言表现出了巨大的热情. 4.The defense lawyer was questioning the old man who was one of the ________ of the murder committed last month. A) observers B) witnesses C) audiences D) viewers 4,选B。本句中包括一个定语从句who was one of the witnesses of the murder committed last month.主句部分为The defense lawyer was questioning the old man. 参考译文:辩护律师审问老人,这个老人是上个月谋杀案的目击证人之一. 5.Politically these nations tend to be ________, with very high birth rates but poor education and very low levels of literacy. A) unstable B) reluctant C) rational D) unsteady 5,选A。本句前半部分Politically these nations tend to be unstable为主句,后半部分with very high birth rates but poor education and very low levels of literacy.为状语.根据标志词high,poor以及very low,可知应该选择unstable. 参考译文:政治上,这些人口增长率高,教育水平低,文化素质不高的国家是不稳定的
