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【单选题】
桡骨头半脱位多见于A.
5岁以下的小儿
B.
5岁以上的小儿
C.
12岁以下的儿童
D.
5~10岁的儿童
E.
5~12岁的儿童
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反馈参考答案：
举一反三
【简答题】若中间商只经营一家生产厂商的产品，以求得较好供货条件的是 ( ) 策略。 a 、多家产品 b 、独家产品 c 、多种产品 d 、混杂产品
【单选题】女性，58岁，已婚，绝经已10年，近2个月内间断性阴道流血2次，每次出血量少，持续3～4天，临床初步拟诊为子宫内膜癌。此病最可靠的诊断方法是（）
A.
宫腔内吸液细胞学检查
B.
后穹隆取材涂片细胞学检查
C.
宫腔碘油造影
D.
宫腔镜检查
E.
分段刮宫、病理学检查
【简答题】开始 ——控制面板——桌面小工具——向桌面添加小工具——日历——右键——添加——在桌面日历上右键——大尺寸—— 手机拍照
【简答题】美术的类别有哪些?
【多选题】What are the values of induced pluripotent stem (iPS) cell-derived organoids?
A.
Mouse and human iPS cells, and precursor cells derived from them, have now been used to form organoids that resemble a variety of developing organs, including the human brain, arguably the most complex and sophisticated structure on Earth.
B.
Such organoids provide powerful models for studying organ development in a culture dish, where one can identify and manipulate the genes involved and explore the roles of cell–cell interactions in ways not possible in an intact organism.
C.
In addition, organoids can be used to investigate how developmental pathways can be derailed by disease. For example, brain organoids have been produced using human iPS cells derived from an individual with microcephaly, a condition characterized by severely stunted brain growth and development.
D.
Careful analysis of these developing brain organoids revealed that the microcephaly in this case was probably caused by the premature cessation of proliferation and differentiation of the brain precursor cells, resulting in a decreased production of brain cells.
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