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單項(xiàng)選擇題

企業(yè)文化的層在企業(yè)文化中處于核心地位（）

A.物質(zhì)
B．制度
C．精神
D．安全

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Mr. Zhang is an 83-year-old retired carpenter who still does “odd jobs” for friends and neighbors. His wife has pleaded with him to relax, but he ignores her. Despite having chest pains (angina) and periods of confusion, Mr. Zhang doesn’t trust doctors and has stubbornly refused to have a check-up. Recently, though, after several episodes of syncope (fainting) while he was hauling lumber, he grudging agreed to see a physician. On physical examination, the physician noted a murmur during systole (described as systolic ejection murmur), a palpable S4, and a significantly diminished aortic component of S2. His carotid artery pulse was weak, and had a delayed upstroke. The physician ordered a cardiac catheterization, which showed a pressure gradient of 100 mm Hg between the left ventricle and the aortic during systole, consistent with aortic stenosis. Question: 1.In aortic stenosis, there is significant narrowing of the aortic valve opening. Why does this narrowing cause a murmur? Why does this murmur occur during systole? What is the timing of the murmur with respect to S1 and S2? 2. What are the component of a normal S2, and why did Mr. Zhang have a diminished aortic (component) of S2?

答案： 1. 在主動(dòng)脈瓣狹窄的情況下，主動(dòng)脈瓣的開口顯著變窄。這種狹窄導(dǎo)致血液在心臟收縮期間（即收縮期）從左心室流入主動(dòng)脈時(shí)產(chǎn)生...

游戲法就是玩游戲，不能用于課堂培訓(xùn)（）

A.正確
B．錯(cuò)誤

答案： B．錯(cuò)誤游戲法是一種教學(xué)方法，它通過游戲的形式來提高學(xué)習(xí)者的興趣和參與度，幫助他們?cè)谳p松愉快的環(huán)境中學(xué)習(xí)和掌握知識(shí)。這種...