单项选择题

Which of the following is TRUE of the first stage of the evolution of mind

A．The living things are unable to distinguish the beneficial, the injurious, and the neutral.
B．It is not necessary for a living thing to come into contact with another thing.
C．The intrinsic properties of things are the limitations imposed upon the organisms.
D．The first stage is characterized by the contraction of the pupil under increased stimulation by light.
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单项选择题
In the third stage of the evolution of the mind, ______.
A．the reacting organism is still unable to exercise the control over the objects in the external world
B．the nonintrinsic meanings is sometimes involved for the organism to use the instrument'
C．the intrinsic properties of the instrument is not involved in the reaction of the organism
D．the ability of the organism to use the instrument shows that something that can't be found in the previous two stages have been introduced
单项选择题
According to the woman, what's the difference between going to Third World countries and staying the west
A．One should have more sleep before going to Third World countries.
B．One should make more preparations before going to Third World countries.
C．There will be no jet lag problem when travelling in the west.
D．One should drink only water when staying in those exotic places.
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