A)observers B)witnesses C)audiences D)viewers
「解析」选B.辩护律师正在问这个老人谁是上个月的谋杀案中目击证人之一。Observer观察者,witness目击者,audience观众,viewers观光者。
45.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
「解析」选A.从政治的角度来说,这些国家趋于不稳定,体现在高的生育率,教育匮乏和低识字率。unstable不稳定的,reluctant犹豫的,rational理智的。
46.The chairman was blamed for letting his secretary ________too much work last week.
A)take to B)take out C)take away D)take on
「解析」选D.大家都责怪主席上个星期让他秘书承担了太多的工作。take to 开始,喜欢,沉溺于,take out拿出,取出,take away带走,take on从事,承担。
47.You try to get some sleep. Ill _____the patients breakfast, said the nurse.
A)see to B)stick to C)get to D)lead to
「解析」选A.护士说:你睡一下吧,我会负责病人的早餐。see to负责,注意,stick to坚持,get to到达,lead to导致
48.The London Marathon is a difficult race._______, thousands of runners participate every year.
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