电动机工业上用得最普遍的硬磁材料是铝镍钴合金。（）
参考答案：对
I with Lily _______ at the cinema at eight yesterday evening. [ ]
A. am
B. was
C. are
D. were
内河B级高速船为未满（）总吨的高速船。
A.150
B.200
C.250
