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问题 选择题

小明用托盘天平称5.5g食盐，称完后发现物码放反了，则小明实际称了（1g以下用码）（　　）

A．5.5g

B．4.5

C．5g

D．6g

答案

由左盘的质量=右盘的质量+游码的质量可知：砝码质量=药品质量+游码的质量，所以药品质量=砝码质量-游码质量，即药品质量=5.0g-0.5g=4.5g．

故选B．

单项选择题

In data communication, data link is those parts of two data terminal equipments that are controlled by a protocol along with the (71) data circuit, which together enable data (72) . So-called protocol means, in short, a set of rules that determines the behavior of functional units in achieving communication.

Data circuit, however, consists of a pair of (73) transmission channels that provides a means of two-way data transmission. Between data switching exchanges, the data circuit may or may not include data circuit-terminating equipment (DCE), depending on the type of (74) used at the data switching exchange. Between a data station and a data switching exchange or data concentrator, the data circuit includes the DCE at the data station end, and may include equipment (75) to a DCE at the data switching exchange or dam concentrator location.

（71）处填（）。

A．handshaking

B．interconnecting

C．linkage

D．joining
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多项选择题

《人身保险新型产品信息披露管理办法》（2009年3号令）所指新型产品信息披露方式包括（）。

A.定期寄送报告资料

B.产品说明会上的说明和介绍

C.销售人员的说明和介绍

D.客户服务人员的回访
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