单选题
In the early 20th century Americans believed science and technology could ______.
A、
solve virtually all existing problems
B、
quicken the pace of industrialization
C、
help raise people's living standards
D、
promote the nation's social progress
【正确答案】
A
【答案解析】
抓住时间点“In the early 20th century”我们从第一句“offer solutions to almost every problem”便可知道答案。故答案为A。
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