证明黑洞有热辐射的人是()
参考答案:霍金
Peter is better _____ English than any _______ her classmates.
A.for; other of
B.at; other of
C.for; of
D.at; of
筛漏斗的内界为()
A.筛泡
B.中鼻道
C.上颌窦开口
D.额隐窝
E.额骨鼻突