My little brother wants_____ a movie actor. [ ]
A. is
B. be
C. to be
D. to is
答案:C
跳汰机排料装置的作用。
若船舶触樵,机舱或轴隧角漏进水,值班轮机员首先应()
A.保持进水量不增大
B.组织堵漏
C.关闭通往轴隧道的水密门