缺词填空 (共10空；每小题1分，计10分)
Eye is the w________ of our mind. We use our eyes to s_______ everything around us. Without eyes, nothing is left beside you b_______ darkness (黑暗).
How to protect our eyes? It's not r________ to keep your eyes working for long time. You'd better not read in s________ or poor light. Don't read in bed or on a moving bus. Remember to keep your books a______ from your eyes for about a foot (英尺) and do eye e______ every day. What's more, a good l______ is necessary.
Follow my advice and form a good habit. It's time to say g________ to thick g________.