根据所给汉语，写出单词的正确形式
It is said that the first ___________(定居者) of this country are prisoners.
This is the ________(标准) textbook on the subject.
He gave a ________(生动的) account of his life as a fighter pilot.
The _______(焦点) of the news is earthquake happening in Sichuan.
If the fire-alarm goes, ________ (全体员工) should assemble outside the building.