Directed research may become a danger to the future of science because______.
A. pure research may be neglected under this system
B. the division between the pure and the applied scientist will disappear
C. the interdependence of pure and applied science may be ignored
D. both A and C
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The word "assert" (line 4, paragraph 3) might mean______.
A. refute
B. declare
C. deny
D. cite
A Spear or a robot has the quality of technology only when it______.
A. is used both as a cultural and a physical object
B. serves different purposes equally well
C. is utilized by man
D. can be of use to both man and animal
患者,男性,66岁,慢性充血性心力衰竭。医嘱:地高辛0.25mg,qd。护士发药时应首先注意
A. 发药到口
B. 给药前测脉率(心率)及节律
C. 嘱患者服药后多饮水
D. 患者按时服药
E. 给药前测血压
从网络高层协议角度,网络攻击可以分为( )。
A. 主动攻击与被动攻击
B. 服务攻击与非服务攻击
C. 病毒攻击与主机攻击
D. 渗入攻击与植入攻击