假如我们把笔尖看作一个点,当笔尖在纸上移动时,就能画出线,说明了____ .
读图,是某地等高线地形图,下列说法正确的是( )
In the UK, this is the ground floor. In the US, this is the first floor.
“一个和尚有水吃,三个和尚没水吃。”这句谚语让我们明白( )