A:液化
B:熔化
C:汽化
D:凝固
若双曲线与椭圆x216+y225=1有相同的焦点,与双曲线x22-y2=1有相同渐近线,求双曲线方程.
阅读理解
Name: Kelsey
Age: 22
I can sing and dance. I can play the violin and the piano, but I can't play the guitar.
Name: Paul
Age: 13
I can sing, but I can't dance. I can play the trumpet and the guitar but I can't play the violin.
选出对下面这首诗理解有误的一项( )
春望
唐杜甫
国破山河在,城春草木深。感时花溅泪,恨别鸟惊心。
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