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【单选题】
关于体循环的描述错误的是A.
体循环的动脉从左心室出发，分布于全身。
B.
主动脉弓向上发出三支大动脉干，即头臂动脉、总动脉和左锁骨下动脉。
C.
颈总动脉是营养头颈部的动脉主干。
D.
下腔静脉系统是收集心脏的静脉血液管道。
E.
体循环流经肾脏。
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举一反三
【单选题】Anxiety over public speaking can be reduced by:（）
A.
Becoming familiar with the technology in your presentation.
B.
Presenting a familiar subject.
C.
Preparing well ahead of time.
D.
All of the answer.
【简答题】请举例提供下列资讯的网站:电子新闻、电子图书、电子报刊、研究报告、论文
【单选题】Anxiety over public speaking can be reduced by:
A.
All of the answer.
B.
Preparing well ahead of time.
C.
Becoming familiar with the technology in your presentation.
D.
Presenting a familiar subject.
【单选题】Anxiety over public speaking can be reduced by:
A.
Preparing well ahead of time.
B.
Becoming familiar with the technology in your presentation.
C.
Presenting a familiar subject.
D.
All of the above.
【多选题】Public speaking can be divided into ( )
A.
introductory speech
B.
informative speech
C.
persuasive speech
D.
commemorative speech
【简答题】A．to stare B．to stare at C．staring D．staring at
【简答题】Public speaking can make you more___.
【单选题】Anxiety over public speaking can be reduced by:
A.
Preparing well ahead of time.
B.
Becoming familiar with the technology in your presentation.
C.
Presenting a familiar subject.
D.
All of the answer.
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