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

<上一题目录下一题>

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 passage suggests that the author' s heat-pump system absorbs heat from ______.

A．soil in a nearby field
B．sun panels at ground level
C．a pipe buried next to the walls
D．a tank of propylene glycol