正确答案: D

第12胸椎

题目：膈的主动脉裂孔位置在( )

解析：D

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举一反三的答案和解析：

[单选题]能够引起债的主体变更的是( )。

法人合并

解析：本题选A。根据法律的规定，未通知债权人而将债务转移给第三人，债务的转移不发生效力。在第三人代替债务人履行和债权人行使代位权的情况下，债的主体并没有发生变更。法人合并，原法人的债权债务由合并后的法人承担，债的主体发生变更。

[单选题]Passage FiveHollywood (好莱坞) is a suburb of the city of Los Angeles (洛杉矶) in California. Until 1908 it was no more than a quiet village on the northern side of the city, but in that year William Selig, one of the first people to make films, set up a film-producing workshop (车间) in Los Angeles. By 1911 , David and William Horsely had set up another one in Hollywood, and at about the same time oil was discovered in the neighborhood. Thus Hollywood quickly became a big district given over to the film industry and to oil wells

followed William Selig to Hollywood and settled down there

解析：

     52．答案为C  此考题为细节题。文章第l段第2句告诉我们：William Selig于1908年建了一个电影制造车间，而从第3句By 1911，David and William Horsely had set up another one in Hollywood...中，我们就可以认定C正确。