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问题 单项选择题

药品批发企业购进的进口药品，应有符合规定的、加盖了（）的复印件。

A.供货单位原印章的《进口药品注册证》（或《医药产品注册证》）和《进口药品检验报告书》

B.供货单位原印章的《进口药品注册证》和《医药产品注册证》

C.供货单位原印章的《进口药品注册证》

D.供货单位原印章的《进口药品检验报告书》

答案

参考答案：A

选择题

美国科学家用某有机分子和球形笼状分子C60制成了“纳米车”，每辆“纳米车”是由一个有机分子和4个C60分子构成。“纳米车”可以用来运输单个的有机分子。下列说法正确的是

A．人们用肉眼可以清晰看到“纳米车”的运动

B．C60分子内只存在共价键

C．C60是一种新型的化合物

D．C60与金刚石互为同位素
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单项选择题 共用题干题

An application architecture specifies the technologies to be used to implement one or more information systems. It serves as an outline for detailed design, construction, and implementation. Given the models and details, include(1), we can distribut data and processes to create a general design of application architecture. The design will normally be constrained by architecture standards, project objectives, and (2). The first physical DFD to be drawn is the (3). The next step is to distribute data stores to different processors. Data (4) are two types of distributed data which most RDBMSs support. There are many distribution options used in data distribution. In the case of (5), we should record each table as a data store on the physical DFD and connect each to the appropriate server.

空白(2)处应选择（）

A.the database management system

B.the feasibility of techniques used

C.the network topology and technology

D.the user interface and process methods
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