英文选词填空（有关眼睛）Human BodyWork BankAnd time you you to protected
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You can check out different parts of your own eye by looking in the mirror,___or___ ask a friend if __you__ can look at her eye.A few parts of the eye are easy to see,so ___your___ friend will probably agree to let you have a look.You might have a hard ____time___ getting her to say OK if you wanted to look at her liver!The eye sits in a little hollow area (the eye socket) in the skull,and it's ___protected___ by the eyelid.The eyelid opens and shuts several times a minute without you ever thinking about it - ____it's____ ___an_____ involuntary action that's better known ____as_____ blinking!____When____ you blink,the eyelid helps to keep the eye clean.The eyelid also has great reflexes that protect the eye in different situations.When ____you____ step into bright light,the eyelids involuntarily squeeze together tightly ____to_____ protect the eyes.And if you try fluttering your fingers close to your friend's eye (but not too close!),___you'll_____ be sure to ___see_____ her ____blink____ quickly.Her eyelids are shutting in response to movement that's too close to ____the_____ eye - it's a reflex that ___protects_____ the eye from danger.____And_____ speaking of fluttering,don't ____forget____ ____eyelashes_____.They work with the eyelid to keep ____dirt_____ and other ____stuff_____ _____out____ of the eye that doesn't belong _____there____ .

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