单项选择题

When a psychologist does a general experiment about the human mind, he selects people______ and asks them questions.

A．at length
B．at random
C．in essence
D．in bulk
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单项选择题
She is a naive person with a_______ nature, so she depends on her boyfriend almost everything.
A．sensible
B．suspicious
C．subjective
D．susceptible
单项选择题
The police______ him for questioning when they found him sneaking away from the store.
A．accused
B．tortured
C．detained
D．prosecuted
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