In our highly technological society, the number of jobs for unskille-考呗网题库移动版

单选题 In our highly technological society, the number of jobs for unskilled worker is __________

A．shrinking
B．obscuring
C．altering
D．constraining

参考答案A

解析: A。在我们这个高科技社会中，适合那些没有技术的工人的工作越来越少。考查动词辨析。表示“数量减少”，使用主谓搭配the number shrinks；obscure意为“使变模糊”，alter意为 “改变”，constrain意为“强迫，抑制”，均与题意不符。

单选题 Even when textbooks are __________ through a school system, methods of teaching may vary greatly．

A．commonplace
B．standardized
C．competitive
D．generalized

单选题 More than one third of the Chinese in the United States live in California, __________ in San Francisco．

A．previously
B．predominantly
C．practically
D．permanently

单选题 Difficulties and hardships have __________ the best qualities of the young geologist．

A．brought out
B．brought about
C．brought forth
D．brought up