— Everyone knows Canada is the second largest country in the world.
— That is right. It is larger than ______ country in Asia.

I don't know _______ or not the film is suitable for children.  

北美洲的温带海洋性气候不如欧洲广阔，主要原因是（  ）

在天平两端各放等质量的两个锥形瓶（瓶口用单孔塞和导管连接起来，气球中装有等质量的碳酸钠），如图所示。左盘锥形瓶中盛有M 克水，右盘锥形瓶中盛有M 克稀盐酸，天平平衡。