为了尽快调解好纠纷，保安员可以对不讲道理的当事人采取暴力威胁。
参考答案：错
是内毒素的主要成分
A．热原B．内毒素C．脂多糖D．磷脂E．蛋白质
A. A careful check has revealed that your products are not of good qualities. B. More office workers are needed in reviewing the applicants’ qualifications. C. We regret to inform you that your job application has been turned down. D. We are sorry that we didn’t check your qualifications while you were in the office.
