a.冬天猪油结成膏;b.冰冻的衣服变干;c.夏天将衣服晒干;
d.寒冬玻璃窗上的冰花;e.冬天口中呼出的白气;f.春天冰封的河流解冻了.
人口自然增长率的大小取决于( )
①Are they under the table?
②My mother is in the kitchen.
③Is she in the living room?
④Where are my glasses?
⑤No, they aren't.They are in the door.
⑥My sister is in her bedroom.
下图中,两条相邻等高线海拔相差50米。读图,回答问题。有关图示区域位置及图中河流流向的描述正确的是( )