_______
A. Many children suffered greatly from brain injuries.
B. Many children were threatened by lung cancer.
Children suffered more from brain injuries than from cancer.
D. Children had a high risk of developing cancer from the radiation.
_______
A. When a child aged two has no broken bones in the skull.
B. When a child aged ten lose consciousness.
C. When a child aged one has no serious headache.
D. When a child aged nine has normal mental activity.
_______
A. Listen to some rock music.
B. Get out of bed till being sleepy again.
C. Keep the lights on all night.
D. Read some interesting articles.
_______
Approaches to a better night's sleep.
B. The harm of lack of sleep.
C. Effects of modern technology on sleep.
D. Benefits of a good sleep.
_______
A. Her teacher found that she had great skill.
B. She didn't have trouble at school any more.
C. She could follow all the rules from then on.
D. She found she could express herself with the painting.
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