皮皮学，免费搜题
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【单选题】
男性人口数/女性人口数,这一指标为A.
率
B.
构成比
C.
相对比
D.
动态数列
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The soft palate is tissue that forms the posterior roof of the oral cavity. From it hangs a soft, fleshy, V-shaped mass called the_____.
A.
epiglottis
B.
papillae
C.
uvula
D.
palatine tonsil
【单选题】Which organ system provides support, protection of soft tissue, mineral storage, and blood formation?
A.
integumentary
B.
muscular
C.
skeletal
D.
nervous
E.
endocrine
【简答题】“良辰美景奈何天,赏心乐事谁家院”出自明代传奇剧本《牡丹亭》，其作者是( )
【单选题】In soft tissue, a beam of 9 MeV electrons loses most of its energy by
A.
Bremsstranhlung radiation
B.
Ionizaiton
C.
Compton interactions
D.
Collisions with nuclei
E.
Pair production
【判断题】Fibrosarcoma, as a subtype of soft tissue sarcoma, originates from fibroblasts.
A.
正确
B.
错误
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