[Challenge 유형] 13. Universities should require every student to~

[Challenge 유형] 4. Scandals are useful because they focus ~

[Consequence 유형] 100. Colleges and universities should require their students to spend at least one semester studying in a foreign country

[Challege 유형] 104. To be an effective leader, a public official must maintain the highest ethical and moral standards

[Claim&Reason 유형] 139. Major policy decisions should always be left to politicians and other government experts.