A:clim
B:had climbed
C:climbed
D:have climbed
选出不同类( )
pH
2
4
6
8
10
12
颜色
红
粉紫
蓝紫
绿青
草绿
黄
将紫甘蓝汁加入与胃液的pH相当的溶液中,呈现的颜色为何?( )
—I like singing songs and music.