diff --git a/universe_quiz.rb b/universe_quiz.rb
index c62958d..2354f21 100644
--- a/universe_quiz.rb
+++ b/universe_quiz.rb
@@ -1,6 +1,38 @@
 #usr/bin/env ruby
 # -*- coding:utf-8 -*-
-def quiz(quiz,slec1,slec2,slec3,ans)
 
+def quiz(quiz,selec1,selec2,selec3,ans_n,ans)
+  puts(quiz,"1:"+selec1,"2:"+selec2,"3:"+selec3,"(選択肢番号で回答)")
+  while true
+    p_ans=gets.to_i
+    if p_ans=>4
+      puts("選択肢番号で回答してね")
+      redo
+    elsif p_ans==ans_n
+      puts("正解!")
+      break
+    elsif p_ans=!ans_n
+      puts("不正解…")
+      break
+    end
+  end
+  puts("正解は#{ans_n}の#{ans}でした。")
 end
 puts("宇宙に関するクイズ!")
+quizzes=["太陽系の惑星で最も太陽から遠くにあるのは?","英語でサタンという惑星は?","宇宙にある酸素は何％?","1番早く自転している惑星はどれ?","温度が濃い星の色は何色?","太陽系の惑星の中で、最も大きい惑星は?","一番重力が重い太陽系の惑星は?","2019年5月に国際共同研究チームが初撮影に成功した宇宙の現象の名前は?","全天88星座の中で最も小さい星座は何でしょう?"]
+s1s=["冥王星","土星","0%","地球","赤","火星","土星","ビックバン","みなみじゅうじ座"]
+s2s=["海王星","火星","10%","金星","緑","土星","火星","太陽のコロナ","こぐま座",""]
+s3s=["土星","冥王星","20%","木星","青","木星","木星","ブラックホール","カシオペア座"]
+ans_ns=["2","1","1","3","3","3","3","3","1"]
+ans=["海王星","土星","0%","木星","青","木星","木星","ブラックホール","みなみじゅうじ座"]
+while quizzes.length==0
+  srand()
+  s_quiz=rand(quizzes.length)
+  quiz(quizzes[s_quiz],s1s[s_quiz],s2s[s_quiz],s3s[s_quiz],ans_ns[s_quiz],ans[s_quiz])
+  quizzes.delete_at(s_quiz)
+  s1s.delete_at(s_quiz)
+  s2s.delete_at(s_quiz)
+  s3s.delete_at(s_quiz)
+  ans_n.delete_at(s_quiz)
+  ans.delete_at(s_quiz)
+end