【判断题】Bill did not realize what time it was when I knocked on the door.
【单选题】In the developed countries, the dominant factor in the next society will be something to which most people are only just beginning to pay attention: the rapid growth in the older population and the ra...
A.
The influence of aging problem.
B.
The shrinking of younger population.
C.
The changing of working style.
D.
The change of consuming pattern.
【单选题】Only when 1 was fourteen__________the importance of study.
【单选题】_____ I heard his voice trembling did I realize what trouble he was in.
【单选题】患者,男,45岁。咳嗽,咳吐获涎,色白清稀,鼻寒流涕,宜首选的药物是( )
【判断题】The conditional factor demand function for factor 1 is a function x1(w1, w2, y) that tells the ratio of price to output for an optimal factor choice of the firm.
【单选题】买入套期保值是指套期保值者先在期货市场上买入与其将在现货市场上( )的现货商品数量相等、交割日期相同或相近的该商品期货合约。