题目内容：
Questions 31—40·Read article below about prediscipline recommendations.
·For each question 31—40, write one word in CAPITAL LETTERS on your Answer Sheet.
·There is an example at the beginning, (0).
根据以上资料请回答第31题：_________
参考答案：【答案仅供学习，请勿对照自行用药等】
答案解析：