单项选择题

The "stars" described in the passage are______.

A．shells that are put in a launcher
B．heavenly bodies in the sky
C．brilliant colors produced by fireworks
D．compressed chemical powder
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单项选择题
When a crisis Strikes, pain will most probably affect______.
A．knees
B．palms
C．eyes
D．lungs
单项选择题
Ways to deal with sickle-cell anemia crisis do NOT include______.
A．Drinking plenty of water
B．Taking pain-reliever drugs
C．Receiving blood transfusions
D．Taking injections of antibiotics
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