23、B.As to ___how the splendid Maya Culture disappeared all of a sudden from the earth, it remains a mystery hard to solve.(2)( )
A.In turn
B.As to
C.Thanks to
D.As a rule
as to 关于
关于璀璨的玛雅文化如何从地球上突然消失,成为了一个不解之谜。
23、B.As to ___how the splendid Maya Culture disappeared all of a sudden from the earth, it remains a mystery hard to solve.(2)( )
A.In turn
B.As to
C.Thanks to
D.As a rule
as to 关于
关于璀璨的玛雅文化如何从地球上突然消失,成为了一个不解之谜。