"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.
1.A. importance B. experience C. difference
2.A. So B. Because C. But
3.A. what to B. how to C. when to
4.A. working[ B. walking C. waking
5.A. and B. or C. as
6.A. talk B. rest C. by
7.A. the earth B. the star C. the sun
8.A. him B. us C. you[
9.A. word B. sentence C. letter
10. A. bad B. good C. weak
Linda, with her parents,_______ the Wolf Hill, and they will be back this afternoon.
A. has gone to B. have gone to C. has been to
-Dirty water shouldn’t be poured into rivers.
-_______. It will cause pollution.
A. Don’t say like this B. Never mind C. I agree with you
—My old friend White is going to visit me.
—We haven't seen each other _____ five years.
A. since B after C. for
________is dangerous for us to swim in the river alone.
A. It B. That C. This
Dear students, please read every sentence carefully. The more _____ you are, the______ mistakes you'll make.
A. careful; fewer B. careful; less C. carefully; fewer