农业社会,长江中下游平原发展水稻种植业的有利条件是( )①亚热带季风气候,水热条件好 ②地势平坦,河湖密布 ③肥沃的水稻土 ④人口稠密,劳力充足 ⑤机械化程度高
A:①③④⑤
B:①②④⑤
C:①②③⑤
D:①②③④
“长大”更明显的标志是( )
He has arms now and is able to pick the table up with one hand.