题目

------You must hand in your report before September 10, which is the______?------Ok. I will try my best to meet it. Thank you.       A. need                      B. deadline                     C. regulation               D. agreement 答案：B青少年心理健康的核心是（　　）A. 智力发达 B. 心情愉快 C. 人际关系好 D. 不紧张和烦恼