(2013·高考福建卷)Old­fashioned phones matter when wireless networks ________in disasters.
#11939
A
turn down
B
turn out
C
break down
D
break out
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My chest ____when I make a deep breath, doctor. 
#13499
A
harms
B
wounds
C
hurts
D
injures
 Almost ____ of the students in this class ____ glasses, that is, ____ of them.
#14364
A
two thirds; wear; 60 percent
B
two thirds; wear; 60 percents
C
two third; wears; 60 percent
D
two third; wears; 60 percents