【单选题】I _not susr whether he will come or not.
【判断题】有些货物从名称上看虽然不像是危险品,但实际上可能隐含危险物质,如电器开关可能隐含水银,玩具可能隐含易燃材料。对此,收运时必须作危险货物运输。( )
【简答题】“媒介是人体的延伸”这两个传播学理论观点是谁提出的( )
【单选题】Whether he will come or not is not sure.
【单选题】You’d better make sure he will come or not.
【单选题】______ he will come or not is unknown.
【判断题】消费者一旦购买了商品就意味着购买行为过程的结束
【多选题】有些货物,,名称上虽然不是危险品,但实际上隐含危险性质。航空公司般将隐含危险性的货物当作危险品来承运。请指出下列 ( )货物是隐含危险品。
【单选题】I didn't know he will come or not.