生物性危害是指致病菌和寄生虫两方面的危害。
参考答案:错
In relation to private companies, explain the meaning of, and the procedure for passing, the following:
(a) an ordinary and a special resolution; (5 marks)
公安机关权力的单向性,即公安机关权力的行使,是国家意志单向性表示,不以相对人同意与否为先决条件。 ( )