【单选题】In a certain room, all except 18 of the people are over 50 years of age. If 15 of the people in the room are under 50 years of age, how many people are in the room?
E.
It cannot be determined from the information given.
【单选题】广义的防盗系统应包括中控门锁、( )和报警系统。
【单选题】Her husband and her eldest son had been killed______.
【单选题】It was ____ I met Mr Green in Shanghai.
【判断题】防盗器传感器不包括超声波传感器 和发动机舱盖报警开关
【简答题】短文改错﹙10分﹚ Though great progress have been made in science these years, there are still many people live in poor conditions. They make their lives by collecting or selling used things. Their children c...
【单选题】广义的防盗系统应包括中控门锁、( )和报警系统。
【单选题】广义的防盗系统应包括中控门锁、()和报警系统。