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【单选题】
The Best of Australia The people — The spirit of pulling together in hard times and achieving beyond expectation the eminent Australians from all walks of life, the battlers and the ordinary Australians. Our diversity — A nation of difference and unity. People from the city, the country, different nations and backgrounds we are one people, living together. The indigenous cultures — The rich and resilient spirituality the knowledge, art and history. Aboriginal and Torres Strait Islander peoples are part of Australia's identity and culture. A fair go for all — An enduring spirit of mateship and fairness. A compassionate society committed to access to employment, housing, health and education. What does the author say about the Australian native people?A.
Australian people are ordinary.
B.
It is a nation of difference and unity.
C.
They are part of Australia's identity.
D.
The Aboriginals are rich and resilient.
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【单选题】excitation of γ motor neuron will induce
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.
【单选题】Which description is correct about the α motor neuron in anterior horn of the spinal cord.
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.
【单选题】excitation of γ motor neuron will induce
A.
increase of the sensitity of the sensory receptors in muscle spindle.
B.
contraction of extrafusal fiber
C.
relaxation of intrafusal fiber
D.
decrease of impulse on Ia afferent fiber.
E.
decrease of the impulses of the α motor neuron.
【单选题】Which description is right about the gama motor neuron in the anterior horn of the spinal cord
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.
【单选题】Which description is right about the gama motor neuron in the anterior horn of the spinal cord
A.
regulate the sensitivity of the muscle spindle.
B.
innervate the extrafugal fiber.
C.
release glycine at the axon terminal.
D.
low sensitivity comparted with α motor neuron.
E.
antagonist of the α motor neuron
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