"Eyes are windows of the soul." Everyone knows the of the eyes. more and more students are becoming near-sighted(近视). So how to protect the eyes is still a serious problem. Here is some advice on protect your eyesight(视力).
You should not keep your eyes for a long time. When reading, you should keep the books about a foot away from you. After reading for an hour two, you’d better have a by looking into the distance(远处).
You must remember not to read in dark light or in , not to read on a moving bus or in bed. Doing eye exercises will help to protect your eyesight.
In a , to keep eyesight, we must have good studying habits.A. importance B. experience C. difference
A. So B. Because C. But
A. what to B. how to C. when to
A. working[ B. walking C. waking
A. and B. or C. as
A. talk B. rest C. by
A. the earth B. the star C. the sun
A. him B. us C. you[
A. word B. sentence C. letter
A. bad B. good C. weak