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【单选题】
心肌细胞兴奋后,处于绝对不应期时,其兴奋性为( )A.
小于正常
B.
大于正常
C.
等于正常
D.
零
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举一反三
【单选题】According to the author, improper incentives include all the following EXCEPT ______.
A.
money for learning how to convert fractions to decimals
B.
refreshments as a reward for reading.
C.
a party for the entire class for good behavior
D.
the internal rewards that follow
【单选题】All the following themes are mentioned EXCEPT
A.
the regime.
B.
the history of trade.
C.
the monetary history.
D.
the battle against slavery.
【单选题】Which of the following may lead to family quarrels according to the passage?
A.
Familiar monologues.
B.
Unawareness of energy cycles.
C.
A change in a family member's energy cycle.
D.
Attempts to control the energy cycle of other family members.
【简答题】换面法是根据直线投影规律，设法用新的投影面替换原来的某一个投影面，使新设的（）与空间直线相（），这样原来处于一般位置的直线也就成了这个新投影面的平行线。
【简答题】前些年，德州市庆云县经济基础差，对文化的投入严重不足，导致文化建设滞缓，文化产业几近空白。近两年，随着经济实力的增强，该县不断加大对文化建设的资金投入，先后实施了20多项文化工程，文化设施日趋完善。该县依托文化场所和景区，开展了戏剧文化节、广场文化消夏艺术节、旅游购物文化节、青年集体婚礼、金婚庆典、金山庙会等丰富多彩的文化活动，使旅游更加火爆，年接待游客200万人次，文化产业产值占全县生产总值的8...
【单选题】The following are the three main instruments used by the central bank to implement its monetary policy except______.
A.
reserve requirement ratio
B.
credit quota
C.
open market operation
D.
discount rate
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