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患者刘某,男,40岁,近日来头痛、恶心,有时呕吐,无发热,血压150/97mmHg,为其测量血压时,应做到( )

A. 定时间、定部位、定体位、定血压计
B. 定时间、定部位、定血压计、定人员
C. 定时间、定部位、定体位、定记录格式
D. 定时间、定体位、定部位、定听诊器
E. 定时间、定体位、定部位、定袖带

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Fill in the blanks with the words and expressions given below. Change the forms where necessary.approach break the ice expectation have trouble (doing sth.)memorizeone by one probably reflectrespectsuffer fromto one’s surprise unusual worth1) We’re going on holiday soon, [填空1] next month.2) A few drinks will help to [填空2] at the party.3) I have been [填空3] bad headaches for about one year.4) If you [填空4] a poem, you can recite it without looking at a book.5) I’d like to ask his opinion(意见,看法) but I find him difficult to [填空5].6) We had heard so much about the restaurant, but it did not meet our [填空6].7) Recently I read an article that said adults(成年人) need to earn the [填空7] of their children.8) If you [填空8] finding shoes that fit well, come and visit our shoe store.9)The bus reached its destination(终点) and the passengers got off [填空9].10) Her sad look [填空10] the unhappy thought(思想) passing through her mind.11) [填空11], she was the mother of two teenagers. She looked so young in that picture!12) Such warm weather is quite [填空12] here in January, isn’t it?13) “How much is that car [填空13]?” “At least thirty thousand dollars, I guess.”

VPN表示__。

A. 虚拟专用网
B. 虚拟局域网
C. 局域网
D. 无线局域网

IPv4编址系统定义:B类IP地址的最高2位是__。

A. 00
B. 01
C. 10
D. 11

在OSI/RM中,网络层的主要功能是__。

A. 组织用户会话
B. 差错控制和流量控制
C. 路由选择
D. 提供比特传输所需的物理连接

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