判断题

染色质免疫沉淀是通过在活细胞状态下固定蛋白质DNA复合物，通过酶切和免疫共沉淀等手段特异性富集目的结合了蛋白的DNA片段



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多项选择题

Objectives of International Organization of Securities Commissions (IOSCO) member agencies include ( ). A.
to cooperate together to promote high standards of regulation in order to maintain just, efficient, and sound markets B.
to exchange information on their respective experiences in order to promote the development of domestic markets C.
to unite their efforts to establish standards and an effective surveillance of international securities transactions D.
to provide mutual assistance to promote the integrity of the markets by a rigorous application of the standards and by effective enforcement against offenses

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单项选择题

注册会计师确定固定资产减值准备的披露是否恰当时，应当关注企业在财务报表附注中披露固定资产减值准备的转回情况。
A、正确
B、错误

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判断题

否定函证是指无论什么情况下对方都会回函。

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单项选择题

“谁言寸草心，报得三春晖。”表达的思想感情是（ ） A. 母子情深 B. 人事辛酸 C. 报效祖国 D. 朋友之情

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不定项选择

软膏剂也属于灭菌制剂，必须在无菌条件下制备。

A．正确
B．错误

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