题目内容
（请给出正确答案）
A.high in the sky
B.near the horizon
C.rising
D.at or near transit
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A、By first impression.
B、By past experience.
C、By rational assessment.
D、By challenging the leader.
A、the visual area seen by an eye at a given instant.
B、The area of the vision field is dependent on the color, white have the biggest field, and green has the smallest.
C、nasal field vision is bigger than that of temporal.
D、the difference of the vision field of different colurs is not casued by the distribution of cones in retina.
E、vision field is helpful for diagnosis of the disease in optic nerve, visual pathway and retina.
A、cornea
B、crystalline lens
C、vitreous humor
D、aqueous humor
E、retina
A、final common pathway of the reflexive control of skeletal muscle contracton.
B、big α motor neuron compose the big motor unit.
C、small α motor neuron compose the smallmotor unit.
D、release glutamate at the presynaptic terminal.
E、firing at a relative high frequency.
A、mechanical nociceptor
B、mechanothermal nociceptor
C、polymodal nociceptor
D、touch receptor
E、stretch nociceptor
A、innervate the extrafugal fiber.
B、release glycine at the axon terminal.
C、low sensitivity comparted with α motor neuron.
D、antagonist of the α motor neuron
E、regulate the sensitivity of the muscle spindle.
A、induced by the fast stretch of the muscle tendon.
B、muscle spindle is the sensory receptor
C、flexor is predominant.
D、monosynaptic reflex
E、fatigable
A、paralle to the extrafugal fiber
B、in series with intrafusal fiber
C、is a sensory receptor for muscle length
D、sensory signal is transmitted by II afferent nerve fiber
E、protect the muscle from injury during contraction.
A、contraction of extrafusal fiber
B、relaxation of intrafusal fiber
C、increase of the sensitity of the sensory receptors in muscle spindle.
D、decrease of impulse on Ia afferent fiber.
E、decrease of the impulses of the α motor neuron.
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