【判断题】二次文献是把一次文献从分散、无序的状态变成集中、有序化的状态。()
【单选题】某站水准测量时,由A点向B点进行测量,测得A点相对于B点的高差为429m,且A点水准尺的读数为1.378m,则B点水准尺的读数为
【判断题】Sirloin steaks are more tender than fillet steaks.
【单选题】某站水准测量时,由 A 点向 B 点进行测量,测得 A 点相对于 B 点的高差为 0.429m ,且 A 点水准尺的读数为 1.378m ,则 B 点水准尺的读数为
【单选题】以下不属于病室物理环境要求的是
A.
护士应向病人及家属做好宣传工作共同保持病室安静
【多选题】根据社会心理学家的研究,个体归因是遵循的主要原则包括( )。
【判断题】重车重心高度从钢轨面起,高度H在2400
【单选题】The price of a pound of sirloin steak is five times the price of a pound of ground beef. You are not in consumer equilibrium unless:
A.
you consume five times as much ground beef as you do sirloin steak.
B.
you consume five times as much sirloin steak as you do ground beef.
C.
the total utility you derive from consuming sirloin steak is five times the total utility you derive from consuming ground beef.
D.
your marginal utility from the last pound of sirloin steak consumed is five times that of the last pound of ground beef consumed.