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【单选题】
局麻药的作用机制是A.
阻断K+外流,阻断神经细胞膜去极化
B.
阻碍C、A、²+内流,阻碍神经细胞去极化
C.
促进C、l-内流,使神经细胞膜超极化
D.
阻碍NA、+内流,阻碍神经细胞膜去极化
E.
阻断已酰胆碱的释放,影响冲动的传递
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举一反三
【单选题】Mary has got all the right ___________ for the job.
A.
disruption
B.
indignation
C.
qualifications
D.
classifications
【单选题】Culture is the beliefs, ( ) and way-of-life of a community or society.
A.
traditions
B.
habits
C.
customs
D.
costumes
【单选题】Mary has got all the right ( ) for the job but is temperamentally unsuitable for it.
A.
quality
B.
qualifications
C.
level
D.
qualify
【单选题】Pollyanna’s parents have been fighting for _________.
A.
their own daughter
B.
hundreds of ballerinas
C.
all disabled ballerinas
D.
all ballerinas in the world
【单选题】Mary has got all the right _____ for the job but is temperamentally unsuitable for it.
A.
certification
B.
qualification
C.
identification
D.
civilization
【简答题】. 随着交通事业的不断发展,将会有所减弱的消费习惯是(
)A. 群体惯 B. 地域惯 C. 品牌偏好习惯 D. 个体性偏好习惯
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