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【单选题】
汽车变速箱与后桥之间的轴是(),它的功用是传递运动和动力。A.
固定心轴
B.
转轴
C.
传动轴
D.
传动心轴
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【简答题】________ 是我国古代最长的政治抒情诗,我国最长的民间叙事诗是 ________ 。
【简答题】我国古代最长的政治抒情诗是____________(请打书名号),我国最长的民间叙事诗是____________(请打书名号)。
【简答题】基态Si原子中,电子占据的最高电子层符号为 _____,该电子层具有的原子轨道数为_____、电子数为_____。
【单选题】Which of the following is an assumption underlying the author’s assessment of Nightingale’s creativity?
A.
Educational philosophy in Nightingale’s day did not normally emphasize developing children’s ability to observe.
B.
Nightingale was the first to notice the poor living conditions in British military barracks in peacetime.
C.
No educator before Nightingale had thought to enlist the help of village schoolmasters in introducing new teaching techniques.
D.
Until Nightingale began her work, there was no concept of organized help for the needy in nineteenth-century Britain.
E.
The British Army’s medical services had no cost-accounting system until Nightingale devised one in the 1860’s.
【简答题】How long will it take to chive there? __________________.