A、 Northern blotting
B、 Southern blotting
C、 Western blotting
D、 亲和层析
E、 离子交换层析
The main __________ of Southern California are climate and the scenery.
A.natures
B.features
C.character
D.temper
A.Europe
B.Africa
C.America
D.Asia
The author used the southern dialect to give the story some local______.
A.color
B.flavor
C.meaning
D.feature
A.to
B.with
C.by
D.on