公马,8岁,左眼羞明、流泪、疼痛,眼睑痉挛,检查看见角膜有树枝状血管分布,该病最可能是()
A.青光眼
B.结膜炎
C.角膜炎
D.传染性肝炎
E.白内障
参考答案:C
_____ he has been away from the city for two years. [ ]
A. It seemed that
B. It seems that
C. He seems that
D. They seem that
用外观检查方法怎样判断氟里昂制冷系统的漏泄?