单项选择题 Generally we cover insurance ( )definite instructions from our clients.A. in absence ofB. in the absence ofC. in no absence ofD. in all absence of

单项选择题 They()that the subsidiary do business with the principal and at the allocating prices .A. proposeB. suggestC. notedD. announce

单项选择题 某驾驶员由于所属道路运输企业未按照劳动合同约定提供劳动保护或者劳动条件，而不事先告知该企业就与其解除了劳动合同，他是在行使自己的哪项权利?（ ）