一艘巨大的石油运输船由于某种原因失事了，石油污染了海水。下列动物中生存直接受到威胁的可能是[ ]
A．水螅
B．衣藻
C．青蛙
D．海星
答案：D
对于浸润性突眼，哪项是错误的（）
A.甲亢常为轻度
B.可在甲亢症状出现之前出现
C.可与胫前黏液性水肿伴存
D.不侵犯眼外肌
E.可两侧不对称，左右两眼可先后出现
English became the official language for business __ the fact that the population was largely Chinese.
A．in place of
B．in spite of
C．in case of
D．in favor of
