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【单选题】
正丁烷 2.异丁烷,较稳定的是A.
1
B.
2
C.
3
D.
4
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【单选题】推动新航路开辟的最基本的原因是
A.
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B.
《马可•波罗游记》激起的“寻金热”
C.
欧亚传统商路被奥斯曼帝国阻扰
D.
生产力进步和商品货币关系发达
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A.
、宫腔内压力低于子宫下段
B.
出现胎儿宫内窘迫
C.
需与假临产鉴别，给予派替啶100mg肌肉注射，宫缩停止者为假临产，不能使 宫缩停止者为原发性宫缩乏力
D.
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【单选题】The wide popularity of the Korean music Gangnam Style has _________ heated discussions about people’s tastes nowadays.
A.
set about
B.
set aside
C.
set off
D.
set down
【简答题】A school in Nanjing plans to order Korean-style school uniforms for students, but parents were against the move, believing that the new uniforms looked too good and would encourage early romances amon...
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