_______
A. He enjoyed community service work ever since he was very little.
B. He once walked around with his little red wagon giving water after a hurricane.
C. He made a project called "From My House to the White House.
D. He drove a little red wagon when he collected money for homeless children.
_______
A. It doesn't work as expected.
B. It can do harm to children.
C. It can find out serious injuries.
D. It can provide a detailed image of the brain.
_______
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.
微信支付 
支付宝支付