—Yes, I do. It's much ______ than the US.
A:the oldest; older
B:oldest; older
C:the oldest; old
D:the older; older
—No, we still need to buy a map before we start the trip.
下图是我国某地区气温、降水量和蒸发量年内分布示意图,有关该地区地理环境的叙述,正确的是( )
下列仪器中不是利用凸透镜成像规律的是( )