单项选择题

Inductive and deductive methods used in daily life and in science field are ______.

A．similar in quantity
B．opposite in nature
C．the same exactly
D．different in degree
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单项选择题
When weighing things, a scientist ______.
A．adopts a more accurate measurement than a baker does
B．uses a scale working on completely different principles
C．has to construct a lab with a variety of apparatus
D．turns to scientific investigation by instinct
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