单项选择题

The theme of this story is that______.

A．those using logic are not always logical
B．mysteries can always be solved by using logic
C．detectives can never be trusted
D．guilt can always be proved scientifically

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热门试题

单项选择题The detective declared the mystery solved before he______.

A．found the hair
B．produced the microscope
C．searched for the murderer
D．glanced at the corpse

单项选择题The best title for the passage is ______.

A．Preparing the Ground for a Pump System
B．Pros and Cons of the Ground-Source Heat Pump
C．The Ground-Source Heat Pump
D．It Works for Me!