【单选题】在医院抢救淹溺患者的,下列选项中错误的是()
B.
保持呼吸道通畅,及时吸出口鼻分泌物,必要时气管内插管,正压给氧
C.
氧气湿化瓶内盛20%乙醇,使患者随氧气吸入,改善呼吸交换量
【单选题】实行计件工资制,工人低生产率的风险主要由()承担。
【单选题】End systems, packet switches, and other pieces of the Internet, run ( ) that control the sending and receiving of information within the Internet.
【简答题】1)对于如下代码: int a = 1, b = 5; b = a--; 执行完上述代码后,a的值为 (1) , b的值为 (2) 。 2)对于如下代码 int a = 1, b = 5; b = --a; 执行完上述代码后,a的值为 (3) ,b的值为 (4) 。
【单选题】The Internet Control Message Protocol (ICMP)
A.
allows gateways to send error a control messages to other gateways or hosts
B.
provides communication between the Internet Protocol Software on one machine and the Internet Protocol Software on another
C.
reports error conditions to the original source, the source must relate errors to individual application programs and take action to correct the problem
【单选题】有如下代码: Dim a, b As Integer Print a Print b 执行以上代码,下列叙述中错误的是 ( ) 。
【单选题】有如下程序代码: a$ = "MicroSoft Visual Basic" b$ = "Basic“ x= InStr(a$,b$) Print x 执行上述代码后,在窗体上显示的是( )
【单选题】End systems, packet switches, and other pieces of the internet, ran ( ) that control the sending and receiving of information within the internet.
【判断题】IP protocol is called The Internet Transmission Control Protocol.