单项选择题In some cases, the topic sentence of a paragraph can be regarded as the thesis statement of an argument. A、正确 B、错误
单项选择题为保证室内采光的要求，一般单侧采光时房间进深不大于窗上口至地面距离的（ ）倍。双侧采光时进深可较单侧采光时增大（ ）倍。
