【简答题】Describe how API separator works to remove the oil from produced water.
【简答题】Mental relaxation is much needed, just as physical relaxation is.
【单选题】He demanded that effective measures be taken to put an end to cheating in exams.
【简答题】He demanded to be told everything.
【判断题】所有企业年度财务报告都必须编制财务报表附注。()
【单选题】The doctor said that mental _______ is the major cause of his sleeping problem.