Is using quotation marks a way of avoiding plagiarism?.

Which of the following is the best definition of paradox

Let’s begin with some easy sports & leisure: which island nation invented the sport of golf as we now know it?

Ireally, really need with this asap. i don't understand spanish prepositions and when they should be used. the questions are:fiesta con juan el fin de semana pasado. el parque está casa. es una lástima que haya tantos lago. el jefe quiere inmediatamente. the answers can be one of the following: en, con, de, a i will award !