A-A+
A source of stress NOT specifically mentioned
问题详情
A source of stress NOT specifically mentioned in this passage is ______.
A．educational activity
B．physical activity
C．mental activity
D．emotional activity
参考答案
正确答案：A
解析：是非题型。由文章第二句(It comes from mental or emotional activity as well as physical activity．)可知没有明确提及的压力来源只有选项A．educational activity。
