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请问下列那些平面满足1过点(1,2,1), 且2与两平面x-5y+2z-1=0,5y-z+2=0的交线平行?A.
x-5y+2z+7=0
B.
5y-z-9=0
C.
x+5y-z-10=0
D.
x+z-2=0
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【判断题】To Nick, the temple might have remained intact if the soldiers had been careful with handling their ammunition.
A.
正确
B.
错误
【判断题】To Nick, the temple might have remained intact if the soldiers had been careful with handling their ammunition.
A.
正确
B.
错误
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