下列无机含氧酸酸性最弱的是( )
A:HClO
B:H3PO4
C:HNO3
D:HClO4
下列风土人情与荷兰相符的是( )
Don't be ____ (care), you can't make the same mistake again.
— ________ - It's soft.
有关美国农业的正确叙述是 ( )