根据课文内容完成下面的语法填空，注意单词拼写和词语用法。

     1_____ the morning of 19th January I went snorkeling. 2_____ (see) such extraordinary beauty, I thought

every cell in my body woke up and 3_____ was like discovering a whole new dimension of life. During the trip,

I first became aware of the vivid colors 4_____ (围绕) me and the fantastic corals, in and around 5_____ all

kinds of elegant fish 6_____ (be) swimming among them. 7_____ there are still something 8_____ made me

feel 9_____ (害怕). For example, I didn't want to get close to the eel, the giant clam and the grey reef sharks,

for they made me scared to death 10_____ a moment.

Fuchs角膜内皮营养不良诊断必须有（）

A.双眼角膜中央滴状疣

B.基质水肿

C.上皮水肿及水泡

D.上皮下结缔组织膜

E.视力下降