题目内容:
These vary from _____ in the north through the arid expanses of the interior to temperate regions in the south.
A.sub-tropical regions
B.tropical regions
C.sub-temperate regions
D.rainforest regions
参考答案:
答案解析:
These vary from _____ in the north through the arid expanses of the interior to temperate regions in the south.
A.sub-tropical regions
B.tropical regions
C.sub-temperate regions
D.rainforest regions