Annie has a ___________,and she is going to see her dentist today。
A:cold
B:fever
C:cough
D:toothache
我们通过电视观看王亚平太空授课时,不看电视画面,仅凭声音就知道是王亚平在讲话,判断的依据是声音的( )
矩阵A=1002,向量α→=12,则A10α→= ( )
—They're Jessica' s
It ____ a pig. ( is ,are)