缺词填空 (共10空；每小题1分，计10分)

Eye is the w___小题1:_____ of our mind. We use our eyes to s____小题2:___ everything around us. Without eyes, nothing is left beside you b___小题3:____ darkness (黑暗).

How to protect our eyes? It's not r____小题4:____ to keep your eyes working for long time. You'd better not read in s____小题5:____ or poor light. Don't read in bed or on a moving bus. Remember to keep your books a___小题6:___ from your eyes for about a foot (英尺) and do eye e___小题7:___ every day. What's more, a good l___小题8:___ is necessary.

Follow my advice and form a good habit. It's time to say g____小题9:____ to thick g____小题10:____.

二倍体蜜蜂2n=32，则在形成雌配子和雄配子的过程中，可以看到二倍体数目分别是______和______。