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【单选题】
关于骨的叙述,下列哪项是错误的:A.
成人骨骨骺内是红骨髓
B.
骨的表面全部被覆有骨膜
C.
骨膜是由纤维性结缔组织构成
D.
腕骨属短骨
E.
老年人骨中,有机质减少,无机质增多
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反馈参考答案：
举一反三
【简答题】对孕妇进行访视、询问并记录她怀孕期间的吸烟情况,而后分析吸烟暴露与婴儿低出生体重的关系,这种研究的类型是()A、现场实验B、队列研究C、现况调查D、临床研究A.B.C.D.E. E
【单选题】This passage is most probably taken from an article entitled '____' .
A.
Energy Conservation
B.
House Building Crisis
C.
Air Pollution Indoors
D.
Traps in Building Construction
【单选题】This passage is most probably taken from .
A.
an announcement
B.
an advertisement
C.
an agreement
D.
a notice
【单选题】This passage is most probably taken from an article entitled______.
A.
the Significance of Language
B.
Can Animals Talk
C.
the World of Communication
D.
Languages in Evolution
【单选题】The author of this passage is most probably ______.
A.
American
B.
British
C.
Chinese
D.
Australian
【单选题】This passage is most probably authored by ______.
A.
the Conference Board staff
B.
a newspaper business writer
C.
a consumer representative
D.
an employment researcher
【单选题】This passage is most probably taken from an article entitled' ______'.
A.
Energy Conservation
B.
House Building Crisis
C.
Air pollution Indoors
D.
Traps in Building Conservation
【单选题】对怀头胎的孕妇进行访视、询问并记录她在怀孕期间的吸烟状况，而后研究分析吸烟史与婴儿低出生体重的联系，这属于
A.
病例群研究
B.
横断面研究
C.
定群研究
D.
临床研究
E.
病例对照研究
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