小儿脑性瘫痪语言障碍最常见（）
A.语言失用症
B.构音障碍
C.运动性失语症
D.感觉性失语症
E.语言发育迟缓
参考答案：E
Justin Banks just won the lottery and is trying to decide between the annual cash flow payment option or the lump sum option. He can earn 8 percent at the bank and the annual cash flow option is $100000/year, beginning today for 15 years. What is the annual cash flow option worth to Banks today（）
A. $ 924423.70
B. $ 855947.87
C. $1500000.00
氧枪的二次燃烧技术
