【单选题】A surgeon who has worked 40 hours in a row without sleep ______.
A.
can still provide quality medical care
B.
will remain alert because he is used to it
C.
may ignore the potential risk of insufficient sleep
D.
should be fired if he continues the medical operation
【单选题】We can infer from Mary's story that ______ .
A.
the surgeon offered someone else's medicine to Mary by mistake
B.
teenagers are vulnerable to drug abusing due to their curiosity
C.
the prescription drugs abusing will develop faster in the future
D.
parents play a positive role in preventing children's drug abusing
【简答题】ACCEPT 命令和INPUT命令只能在_________________显示数据,而WAIT命令既可以在屏幕上显示数据,也可以在____________显示数据。 因此, WAIT 命令常用于输入单字符和显示信息, ACCEPT 命令常用于输入字符串, INPUT 命令常用于输入其他类型的数据。
【单选题】255.224可能代表的是()。A. 一个B类网络号B. 一个C类网络中的广播C. 一个具有子网的网
A.
255.255.255.224可能代表的是()。 A. 一个B类网络号
【单选题】INPUT命令用于输入________。
【单选题】The article says that a surgeon can triumph when he ______.
A.
performs a successful operation
B.
triumphs over the body
D.
cuts out that which is life-destroying
【单选题】255.224 可能代表的是
D.
此子网中可分配给主机的 IP 地址有 30 个
【单选题】无菌治疗巾包打开后,剩余的治疗巾按原折包好,有效的使用时间是