读甲、乙两地气候统计图,甲、乙两地相比( )
A:夏季降水量甲大于乙
B:冬季降水量甲大于乙
C:最低气温都出现在7月
D:气温年较差甲小于乙
在实数0,﹣2,1,﹣2中,是无理数的有____
Fresh food is good for you . But you have to _______it first because sometimes it is a little dirty.