五笔字型中，汉字字型划分为（）。
A.左右型
B.包围型
C.上下型
D.杂合型
参考答案：A, C, D
A pension fund expects to pay obligations of $ 5000000 4 years from today. The fund will fund this obligation by making 5 annual, equal deposits into an account earning 3% , with the first deposit occurring today, and the last occurring at the time the obligation is due. What size must each annual deposit be（）
A. $ 904874.
B. $ 941773.
C. $1125662.
项目经理由于主观原因或由于工作失误有可能承担一定的责任，企业将追究的主要是 ( )。
A．法律责任B．刑事责任C．经济责任D．道德责任
