较大的蝶筛囊肿或脓肿可引起()
A.球后视神经炎
B.眶尖综合征
C.眼球突出
D.脑脊液鼻漏
E.闭经、性欲减退、尿崩等内分泌症状
参考答案:A, B, C, D, E
– Would you mind looking after my dog while I’m on holiday?
-- _______.
A.Of course not
B.Yes. I’d be happy to
C.Not at all. I’ve no time
D.Yes, please
催化裂化催化剂的性能评价指标?