because of the possibility of one passenger in a million boarding an aircraft with a weapon,the other 999999 passengers must subject themselves to searches and relays为什么用searches relays呢?

请教一道英文阅度理解题,求讲解,原文：My wife (注：a female mole) builds a nest in one of the high molehills that I have constructed above water level - I call it the fortress because it is much larger than the others,but it is possi the difference between because and because of because of the bad weather Because Of The Wind 歌词 because of the war与because of war的区别 The best of life because of you Many kinds of birds live in the United States,but the number of the birds is becoming s___1____ every year.One of the leading r _____2_____ is the growing number of pet cats.By keeping your pet cats in your home,you can help give birds a better possi because of the heavy snow同义句四种开头都是because because/because of though the stories were simple选哪个 Because Of The Heavy 什么中文意思? because she is,the mother of Guilin; The world is wonderful because of you the world is bright because of Because it is the beginning of my because of the people and the food 为什么加of? because of the whistle of the strong wind翻译 the prices of houses () because the demand of them become Lost of people get ill because of the .求用什么互换because of?