var x :array [0..20] of string; tmp:integer; begin x[0] :='slovo1'; x[1] :='slovo2'; x[2] :='slovo3'; x[3] :='slovo4'; x[4] :='slovo5'; x[5] :='slovo6'; x[6] :='slovo7'; tmp:=random(7); writeln(x[tmp]);
const (ну или var...) x :array [0..3] of string = ('word1', 'word2', 'word3','word4'); ... writeln(x[random(4)]);