Choose the correct words to complete the passage.
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the (46) _______ of the previous day. The rest that you get while sleeping enables your body to prepare itself for the next day.
There are four levels of sleep, each being a little (47) ________than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you (48) ______the fourth level your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming (49) ______, your eyeballs begin to move more quickly. This stage of sleep is called REM, which stands for Rapid Eye Movement.
If you have trouble falling asleep, some people recommend breathing very deeply. Other people believe that drinking warm milk will help make you (50) _____. There is also an old suggestion that counting sheep will put you to sleep!
0Câu 46
Choose the correct words to complete the passage.
A. actions
B.acts
C. activities
D. activeness
Câu 47
Choose the correct words to complete the passage.
A. higher
B.lighter
C. deeper
D. shorter
Câu 48
Choose the correct words to complete the passage.
A. attain
B.reach
C. achieve
D. arrive
Câu 49
Choose the correct words to complete the passage.
A. exists
B.appears
C. survives
D. occurs
Câu 50
Choose the correct words to complete the passage.
A. drowsy
B.awake
C. tired
D. dizzy
A.
B.
C.
D.