相关题目
7、对于为了提高维修效率和工作安全，由维修单位自制的非航空器或航空器部件制造厂家要求的工具设备，在符合本文件规定的设计标准、制造标准，并在建立了符合本文件要求的使用手册和档案后，由（ ）按照批准的审定程序批准投入使用。
4、工具设备的存储应当保证工具设备存储的安全，防止意外损伤，特殊工具的存储应当满足（ ）的要求.
Fire ants also make use of an alarm pheromone to alert workers to an emergency, and their scouts lay down a trail pheromone as a guide during mass migrations. The word "alert" is closest in meaning to which of following?
Children who are two years old and younger are _____ free ofcharge to most concerts and films.
After discussing the terms of the new health-benefits contract,_____ management and employees were satisfied.
Although we have _____ not to offer you a position at thistime, we will keep your resume on file for future openings,
The union leader were informed that the workers on the strike______.
I ______all members by tomorrow night.
Denny______ his first job with us five years ago.
When my visitor______, will you please call me?
