保险公司变更
参考答案：
是指保险公司在组织、经营的宗旨和业务范围上的变化。
Luck always went with her. Wherever she worked, she would have many people _____ her . [ ]
A. helped
B. help
C. to helping
D. to help
ACM旁通活门的目的是降低涡轮转速，当打开发动机或机翼防冰时，ACM旁通活门在什么位置？
A、关位
B、开位
