在《关于促进城市南部地区加快发展第二阶段行动计划(2013-2015)》中,北京市提出了总计约3 960亿元的投资计划。将3 960用科学记数法表示应为( )
A:39.6×102
B:3.96×103
C:39.6×104
D:3.96×104
Hello! Welcome to my show(欢迎参观我的展览). They're my animals. Look! The lion has got a blue shirt. The tiger has got a red hat. The monkey has got a yellow skirt. The panda has got a green T-shirt. Has the elephant got a brown sweater? No, he hasn't. He has got an orange sweater. That's very funny.
A. B. C. D. E.
张银的妈妈身高160厘米,爸爸比妈妈高15厘米.(百分号前保留一位小数)