食源性疾病监测是指通过医疗机构、疾病控制机构对食源性疾病及其致病因素的报告、调查和检测等收集的人群食源性疾病发病信息。
参考答案：对
— What’s the matter with Peter?
— He was seen crying when he was coming out of the office. He ________ by the manager.
A．may be scolded
B．should have been scolded http:/
C．must be scolded
D．must have been scolded
Inventor中透视模式下是几点透视？（）
A.1
B.2
C.3
D.4
