the cold, thin air and low oxygen levels also can cause mountain sickness.
A. On behalf of
B. Apart from
C. In terms of
D. Except for
网友回答
A. On behalf of
(答案→)B. Apart from
C. In terms of
D. Except for
解析：本题考查介词短语。句意：除了寒冷，稀薄的空气和低氧也会造成疾病。apart from除去（表示除…以外别无）；除此之外（表示除…以外尚有）。