Many of us don't care much about eyes.We won't see anything without eyes.That is （1）

C

C

we should protect（保護(hù)）our eyes.Natural eye care should be put in a number one place.
   There are many （2）

C

C

of poor eyesight like no enough food，genes（基因）and aging（老化）.Televisions，computers and reading are also the reasons of having poor eyesight.If you happen to work（3）

A

A

the computer，it is best to take a rest.Something dirty can cause redness and it will make you feel uncomfortable.It is bad for your eyes，too.If this happens，the best way is to clean your eyes by （4）

A

A

cold water.You may wear sunglasses when you go out （5）

B

B

they can protect your eyesight.
   Eating healthy foods will be（6）

A

A

for your eyesight.Remember that vitamins A，C and E are useful for eyes.Try to eat food that have these vitamins.And you should do （7）

C

C

exercises because exercise protects your eyesight，too.If a person exercises regularly（定期地）and eats the right kind of food，his eyes will stay in good condition（8）

B

B

a long time.
   All above are natural （9）

B

B

of eye care that help us keep eyes healthy.Being happy all the time can be （10）

B

B

to one's eyesight，too.In a word，eye care is very important，no matter how old a person is.

（1）	A．when	B．what	C．why
（2）	A．problems	B．suggestions	C．reasons
（3）	A．in front of	B．a(chǎn)t the back of	C．in the center of
（4）	A．using	B．drinking	C．getting
（5）	A．so	B．because	C．a(chǎn)nd
（6）	A．good	B．bad	C．hard
（7）	A．a(chǎn)rm	B．morning	C．eye
（8）	A．in	B．for	C．of
（9）	A．roads	B．ways	C．streets
（10）	A．useful	B．helpful	C．beautiful