保安服务公司的具体任务是:培养一支()、()的保安队伍,使企业不断发展壮大。
参考答案:高素质;高效益
The performance of professional money managers taken as a whole has been:()
A. below average.
B. above average.
C. better than a simple buy and hold strategy.
溶血性黄疸的特点是
A.血中结合胆红素含量增高
B.血中胆素原剧减
C.尿中胆红素增加
D.未结合胆红素浓度增高
E.粪便颜色变浅