Accoring to national polls, young adults in China marry at an average age of 26. According to Erikson their major developmental task at this point of life is _______
A. commitment
B. intimacy
C. autonomy
D. self-identity
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( ) extends from the medulla oblongata(延髓) in the brainstem(脑干) to the lumbar region of the vertebral column(脊椎).
A. Neuron
Brain
C. Spinal cord
D. Cerebral cortex
The sensory receptors in the eye are found on the ()
A. ganglion cells.
B. cornea.
C. cochlea.
D. retina.
When we stare at the starry night, it is easier to find a star when we look from the corner of our eyes. This is because…
A. There are more rod cells on the peripheral area of retina.
B. There are more cone cells on the peripheral area of retina.
C. There are less rod cells on the peripheral area of retina.
D. There are more rod cells on the central area of retina.
When we walk out of the movie theatre, everything seems so bright at first, only to become normal a few seconds later. This is a phenomenon called…
A. Visual continuity
B. Visual consistency
C. Visual illusion
D. Visual adaptation