单项选择题

What is a scientific approach used to prove

A．The true value of the product.
B．The buyers' reasoning mind.
C．The true appearance of the product.
D．The high quality of the product.
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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
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
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