Could you tell us _____ Mr. Li lives? [ ]
A. where
B. who
C. that
D. which
答案:A
下列经线中,能与图中B 点所在的经线组成一个经线圈的是( )
A.75°E
B.75°W
C.255°E
D.255°W
土壤饱和浸出液