A:Twelve-years-old
B:Twelve-year-old
C:Twelveyearold
D:Twelveyearsold
The Greens ________live in the south of Asia . They don't want to move to the north because they ________ the cold weather.
北京位于____平原的北部边缘,背靠群山(燕山),面向渤海,气候类型是____ .
下列“亚洲之最”不是“世界之最”的是( )
中国古代的自然经济①是中国传统社会赖以存在的基础 ②是以满足生产者本身或本经济单位需要进行生产的经济 ③农业与家庭手工业相结合 ④带有开放性