"Eyes are windows of the soul." Everyone knows the 36 of the eyes. 37 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 38 protect your eyesight(视力).
You should not keep your eyes 39 for a long time. When reading, you should keep the books about a foot away from you. After reading for an hour 40 two, you 'd better have a 41 by looking into the distance(远处).
You must remember not to read in dark light or in 42, not to read on a moving bus or in bed. Doing eye exercises will help 43 to protect your eyesight.
In a 44 , to keep 45 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 |