华慧考博英语解析:词汇分析(四)
1. When a psychologist does a general experiment about the human mind, he selects people ________ and asks them questions.A. at length
B. at random
C. in essence
D. in bulk
B 【句意】当心理学家要做一个关于人类思维的常规实验时,他会随机地选择试验人选并问他们问题。
【解析】词组辨析。at length“最终;详细地”;at random“任意地;随机地”;;in essence“本质上;大体上”;in bulk“大量;整批”。由句中关键词“a general experiment about the human mind关于人类思维的常规实验”与“selects people选人”的对应知“随机地”符合语境,故B项正确。
2. The railway ticket for one single journey between Beijing and Shanghai is ______ for five days.
A. fruitful
B. beneficial
C. valid
D. effective
C 【句意】北京和上海之间的单程火车票五日内有效。
【解析】形容词词义辨析。fruitful“富有成效的;多产的”;beneficial“有益的;有用的”;valid“有效的;有根据的;合法的”;effective“有效的,起作用的”。由关键词“railway ticket”及“for five days”知“有效的”符合;由此知C项正确。
3. He said that it was all too easy, when one was young, to disregard the future in the ______ of the present.
A. exhilaration
B. adaptation
C. distribution
D. acquisition
A 【句意】他声称,年轻人在对现在的欢欣中很容易忽视未来。
【解析】名词词义辨析。exhilaration“兴奋;欢欣”;adaptation“适应;改编”;distribution“分布;分配”;acquisition“获得;收购”。由句中关键词“disregard the future忽视未来”与“the present现在”的对应知“欢欣”符合语境,故A项正确。
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