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【单选题】
下列关于可兴奋细胞动作电位的叙述,正确的是( )A.
动作电位是细胞受刺激时出现的快速而不可逆的电位变化
B.
在动作电位的去极相，膜电位由内正外负变成内负外正
C.
动作电位的幅度大小不随刺激强度和传导距离而改
D.
动作电位由去极化波构成
E.
不同细胞的动作电位幅度均相同
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【单选题】______ the fact that his initial experiments had failed, Prof. White persisted in his research.
A.
In spite of
B.
Because of
C.
As to
D.
In view of
【单选题】There were some seats left over _____every delegate had sat down.
A.
when
B.
until
C.
that
D.
where
【单选题】When some women got on the bus, ______ seats were taken.
A.
no
B.
almost all the
C.
some
【简答题】在《三国演义》中有一位英雄，他曾温酒斩华雄、千里走单骑、刮骨疗毒，被后人敬仰并尊为中国的“武圣”，这位英雄是赵云。（ ）
【单选题】His tone ______his real feelings more than his words.
A.
paraphrased
B.
conformed
C.
performed
D.
conveyed
【简答题】Whether some carriers withhold seats on purpose for earning consumers premium is a question deserving to be cleared up.
【多选题】把诚实守信作为当前我国社会主义道德建设的重点，具有重要的现实意义，主要表现在
A.
诚实守信是为人之本、成事之基
B.
诚实守信是社会主义市场经济健康发展的基石
C.
诚实守信是构建社会主义和谐社会的道德基础
D.
诚实守信是集体主义道德原则的最高层次要求
【单选题】His tone ___________ his real feelings more truly than his words.
A.
brought
B.
conveyed
C.
handed
D.
fetched
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