鼻腔的功能包括
A. 鼻毛阻挡吸入的大尘粒
B. 分泌黏液可黏附尘粒
C. 纤毛摆动可将黏液和尘粒推向咽部然后咳出
D. 静脉血管丛有温暖和湿润吸入空气的作用
E. 感受气味
关于肺泡隔的描述哪些错误
A. 是相邻肺泡间的薄层结缔组织
B. 与肺气体交换作用无直接关系
C. 有内分泌作用,调节肺泡直径
D. 含丰富的弹性纤维及少量胶原纤维、网状纤维
E. 含巨噬细胞、浆细胞、肥大细胞和成纤维细胞等
两根细长压杆，L、EI相同，两端铰支杆的临界压力是一端固定一端自由杆的
A. 1倍
B. 2倍
C. 0.5倍
D. 4倍
Which of the following is the BEST example of needs-based theory of motivation or behavior-based theory of motivation?
A. Needs-based motivation focuses on the employees
B. Needs-based motivations focus on employees unmet needs.
C. Behavior-based motivation focuses on a manager's ability to manipulate employee motivation.
D. All answers are correct.
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