A:which
B:that
C:whose
D:whe
植物在白天表现为吸收二氧化碳、释放氧气,而晚上则表现为吸收氧气、释放二氧化碳,这是因为()
我国是世界上季风气候最显著的国家之一,其原因是 ( )
— Sorry, ______ at all. Our compute system has broken down.