【名词&注释】
支气管(bronchial)、社会活动(social activities)、孟母三迁(mencius ' s mother moved thrice)、主要因素(main factors)、小动脉(arterioles)、骨骼肌收缩(skeletal muscle contraction)
[单选题]“孟母三迁”的故事说明了哪种因素对人发展的影响?
A. 遗传
B. 环境
C. 教育
D. 社会活动
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学习资料:
[单选题]Mathew Brady______.
A. was very lifelike
B. was famous for his unusual pictures
C. was quite strong
D. took many pictures of moving people
[单选题]______ I should fail again, I will not give up the experiment.
A. Even so
B. Although
C. Even if
D. Though
[单选题]对右主支气管的描述,下列选项错误的是 ( )
A. 较左主支气管垂直
B. 比左主支气管长
C. 构造与气管类似
D. 管径比左主支气管粗
E. 在肺门处分成三个肺叶支气管
[单选题]正常机体内影响外周阻力的主要因素是 ( )
A. 血管长度
B. 微静脉的口径
C. 血液黏滞性
D. 小动脉(arterioles)和微动脉的口径
E. 骨骼肌收缩(skeletal muscle contraction)对血管的挤压作用
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