下列四个地区,水循环最为活跃的是( )
A:长江、黄河发源地区
B:长江中下游地区
C:新疆沙漠地区
D:南极冰川地区
一 We'll study in different schools next term. Enjoy your time in the new school.
— _______.
下列哪组句子中,加下划线词的词性相同( )