润滑油过滤器在使用期前应检查双联三通的切换装置是否良好。
参考答案:对
住院教育的内容不包括 ()
A.术前教育
B.健康教育处方
C.入院教育
D.病房教育
E.出院教育
That truck nearly hit me; I ______.
A.might be killed
B.may been killed
C.may be killed
D.might have been killed