单项选择题

We can learn from the passage that______.

A．both pure scientists and applied scientists are not equally important
B．the aircraft designer stands for the pure scientist
C．geophysics and biochemistry are examples of' new specialties
D．pure scientists are more important
<上一题 目录 下一题>
热门 试题

单项选择题
The statement the horizons of science have expanded ( Line 1, Para. 1 ) means that______.
A．the horizon is enlarged by scientists
B．scientists can observe further space
C．scientist9 are making efforts to expand the outer space
D．science has developed more fields
相关试题