单项选择题

Detect is formed by deleting an imagined affix from detective.This process of word-format/on is called（）.

A.inflection
B.derivation
C.compounding
D.back-format/on

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To get drugs from the pharmacy，you need a（n）（）.

A.inscription
B.recipe
C.prescription
D.remedy
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That famous scientist had a very （）mind as a child and at the age of ten he performed his first experiment.

A.mechanical
B.conscious
C.impressionable
D.inquisitive
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