(Unit3TextB课文段落)8. Just as everyone ’ s experience of culture shock is unique, the symptoms associated with it vary, too. They can range from the physical — headaches, lethargy, sleep problems, loss of appetite and digestive irregularities — to the psychological — irritability and anger over minor frustrations, confusion about morals and values. Suffering from culture shock often leaves people feeling moody, isolated and insecure. 判断题: Which one is a psychological symptom?