△加强题

　　Which one of the following statements, if added as a premise to the argument, would make the conclusion valid / strengthen the argument?

　　Which one of the following, if true, would make the conclusion in the passage a logical conclusion?

　　Which one of the following is an additional piece of information that would support the conclusion?

　　△削弱题

　　Which one of the following statements, if true, most clearly undermines / seriously weaken the conclusion / argument？

　　Which one of the following assertions, if true, provides the most effective challenge to the author's conclusion?

　　△假设题

　　Which one of the following is an assumption on which the author's argument relies?

　　Which one of the following most accurately states a hidden assumption that the author must make in order to advance the argument above?

　　Which one of the following is a presupposition essential to the reasoning in the passage above?