Question

baby,necessary,thing,able,even,allow,little,give,angry,between,them,excited

  Every creature needs to rest. Just like eating,sleep is 1.        for survival (生存) .

  Sleep gives your body a rest and 2.        it to do well the next day. Sleep also 3.        your brain a chance to sort out (理顺) things.

  The amount of sleep a person needs depends a lot on his or her age.4.       sleep a lot―about 14        to 15 hours a day!But many older people only need about 7        or 8 hours of sleep each night. Most kids 5.       the ages of 5 and 12 years old need 10        to 11 hours of sleep. Some kids might need more and some need 6.      . It depends on the kids 7.      If you don't sleep for one night,you will become lazy and 8.       .

  If you don't sleep for two nights,you will be 9.         to think. If you do not sleep for more than five nights,you will start seeing 10.        that are not actually there. Therefore,you should sleep well every night.

Answer 1

1. necessary   2. allows   3. gives   4. Babies

5. between   6. less

7. themselves   8. angry

9. unable   10. things