据统计,2008年中国某小商品批发市场全年成交额约为3484亿元,近似数348.4亿元的有效数字的个数是[ ]
A.6个
B.5个
C.4个
D.11个
答案:C
— I've decided to go back to school for some training in programming.
— . When would you like to start?
A.Good for you
B.Up to you
C.You can have it
D.I got you
简述新中国成立初期中国对西亚北非的基本政策。