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【单选题】
在正常情况下，呼吸中枢发出呼吸冲动，依赖于血液中哪种物质浓度变化的刺激A.
二氧化碳
B.
氧
C.
一氧化碳
D.
碳酸氢根
E.
酸碱度
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举一反三
【简答题】经络系统是由经脉和络脉组成的，其中经脉包括十二经脉和______以及附属于十二经脉的______、______、______。
【简答题】e_ _ _ a power that makes people do bad and cruel things
【简答题】Before the
main business of a conference begins, the chairman usually makes a short preliminary (i.e. introductory) speech. In other
words, he says a few things by way of introduction .
【简答题】block a. to emphasize sth b. the ability to make people believe or trust them c. to ask for sth d. something makes movements difficult e. one of several things that cause sth f. achieve sth g.changes ...
【简答题】经络系统是由_______________、_______________组成。
【简答题】factor a. to emphasize sth b. the ability to make people believe or trust them c. to ask for sth d. something makes movements difficult e. one of several things that cause sth f. achieve sth g.changes...
【简答题】经络系统是由 和 组成,在内连属于 ,在外连属于 、 和 。
【简答题】credibility a. to emphasize sth b. the ability to make people believe or trust them c. to ask for sth d. something makes movements difficult e. one of several things that cause sth f. achieve sth g.ch...
【简答题】经络系统是由 ______ 、_______及其连属部分构成的。
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