单项选择题

The writer' s main purpose in writing the passage is to say that ______.

A．science is just at its beginning
B．science has greatly improved man's life
C．science has made profound progress
D．science has done too little to human beings

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热门试题

单项选择题

According to the passage, many people initially thought that E. L. Drake had made a mistake by ______.

A．moving Pennsylvania
B．retiring from his job
C．searching for oil
D．going on a whaling expedition

单项选择题

It is true that ______.

A．everyone is interested in scientific findings
B．the average man often uses in his own vocabulary what was once technical language not meant for him
C．an educated person would be expected to know most technical terms
D．various professions and occupations often interchange their dialects and jargons