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

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热门试题

单项选择题

Finer and finer division in the field of science has led to______.

A．greater interdependence of all the various sciences
B．the elimination of the need for specialists
C．greater independence of all the Various sciences
D．the greater need for the applied scientists

单项选择题

The example given in the third paragraph illustrates how______.

A．applied scientist direct the work of the pure scientist
B．applied science suggests problems for the basic scientist
C．pure scientist operates independently of applied scientist
D．pure scientist plays a more important role than applied scientist