聚众行为的主要表现形式有（） ["骚乱","狂欢","恐慌","赌博","斗殴"]
Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement: SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager" FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id) AND e.salary > 4000; What is its output?（） ["A","B","C","D","E"]
影响顾客动机形成的因素有（） ["价值观","情绪","兴趣","认知","行为的结果"]
安全阀有下列情况之一时，应停止使用。（），选型错误，铅封损坏。 ["安全阀泄漏","安全阀超过校验有效期","安全阀超压情况下开启"]
主要因成功塑造了人物形象而获得成功的巴金小说是（）。 ["《家》、叹春》、《秋》","《憩园》、《寒夜》","《第四病室》、《寒夜》","《冯文淑》、《田惠世》"]
什么是精馏？
