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问题 单项选择题

为确保控制性降压时成年病人的安全，平均动脉压应不低于（）。

A.50mmHg

B.55mmHg

C.60mmHg

D.65mmHg

E.70mmHg

答案

参考答案：A

解析：控制性降压时，平均动脉压不宜低于50mmHg。

判断题

金融市场由于有广泛的参与者，不会放大商业银行的风险事件。()
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单项选择题

Today’s response to the data access dilemma eschews the traditional archival approach in favor of emerging standards for what are described as the documents of the future: compound documents. Product users and developers hope the latest standards effort--such as OpenDoc and Microsoft Corp.’s Object Linking and Embedding (OLE) will (26) data accessibility.
OpenDoc is a standards group (27) a common look and feel throughout documents, even though different applications are used.
OLE technologies allow Microsoft to (28) its various software products. Microsoft creates, governs and distributes the OLE capability, which is what most (29) it from the open OpenDoc approach. Thus, users can assemble (30) of varying application to create compound documents. With OLE users can, for example, embed an Excel chart in a Microsoft word report.

A．connect

B．link

C．concatenate

D．contact
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