投资组合绩效评估可以考察出投资管理者的()。
A.兴趣
B.资历
C.实力
D.技能
参考答案:D
—Why was he late for school?
— ________his bike was broken on the road.
A.Since
B.Because
C.As
D.Because of
在PowerBuilder的数据类型中,integer是多少位带符号数
A.7
B.8
C.15
D.16