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【单选题】
事件的概率取值范围为_A.
P=1
B.
P=0
C.
P=-0.5
D.
0≤P≤1
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【简答题】下列属于商品租金，却不属于成本租金的是（ ）。
【单选题】We can infer from the passage that we may cure addiction by
A.
scanning Of brain as often as possible.
B.
consciously practicing cognitive skills.
C.
going through intensive rehabilitation programs.
D.
making the neurotransmitter less sensitive.
【简答题】储罐因超压爆裂是()
【单选题】After the neuro-skeletal muscle junction has completed the information transmission, the enzyme that can eliminate the neurotransmitter at the junction is
A.
Na + -K + -ATPase
B.
Acetylcholinesterase
C.
Adenylyl cyclase
D.
Phosphodiesterase
【简答题】We can infer from the passage that we may cure addiction by [A] scanning of brain as often as possible. [B] consciously practicing cognitive skills. [C] going through intensive rehabilitation programs...
【单选题】In response to binding a neurotransmitter, a postsynaptic cell can
A.
only open chemically gated ion channels, causing graded potentials known as fast synaptic potentials.
B.
only close ion channels via G proteins and second messenger systems, producing slow responses.
C.
only regulate protein synthesis and affect the metabolic activities of the postsynaptic cell.
D.
open chemically gated ion channels, causing graded potentials known as fast synaptic potentials and regulate protein synthesis and affect the metabolic activities of the postsynaptic cell.
E.
open chemically gated ion channels, causing graded potentials known as fast synaptic potentials, close ion channels via G proteins and second messenger systems, producing slow responses, and regulate protein synthesis and affect the metabolic activities of the postsynaptic cell.
【单选题】Glutamate decarboxylation gives rise to γ-aminobutyrate (GABA), an inhibitory neurotransmitter. Its underproduction is associated with ______________. GABA analogs are used in the treatment of epileps...
A.
diabetes
B.
epileptic seizures
C.
brain tumor
D.
migraine
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