black

单项选择题

In the past there were no "directed" research
A．because no government would prefer.
B．because there were no industrial research organization.
C．and scientist were allowed complete freedom to do the research they want to.
D．in which insufficient equipment and instruments were available.
相关考题

单项选择题 All of the following are factors to help cause the shift from pure to applied science EXCEFT

单项选择题 How is the situation likely to affect the future of science

单项选择题 The best title for this passage is likely to be

All Rights Reserved 版权所有©PP题库网库(pptiku.com)

备案号：湘ICP备14005140号-5

经营许可证号：湘B2-20140064