围炉取暖时，传至人身上热量，主要与次要方式排序正确的是（）。 ["主要传导、次要对流；","主要辐射、次要对流；","主要辐射、次要传导；","主要对流、次要辐射。"]
根据我国《合同法》的规定，关于合同变更的叙述中，不正确的是（）。 ["当事人协商一致，可以变更合同","当事人对合同变更的内容约定不明确的，推定已变更","当事人对合同变更的内容令人难以判断约定的新内容与原合同内容的本质区别，则推定为未变更","合同的变更是指对已经依法成立的合同，在承认其法律效力的前提下，对其进行修改或补充"]
What is an advantage of the IntServ QoS model？（） [" It supports admission control that allows a network to reject or downgrade new RSVP sessions if one of the interfaces in the path has reached the limit （that is， all reservable bandwidth is booked）."," RSVP signals QoS requests per individual flow. In the request the authorized user （authorization object） and needed traffic policy （policy object） are sent. The network can then provide best-effort delivery to these individual flows."," RSVP streamlines communication by making it unnecessary to inform network devices of flow parameters （IP addresses and port numbers）."," Because of the stateful RSVP architecture， continuous signaling does not have to occur."," The flow-based approach is scalable to large implementations， such as the public Internet， because RSVP tracks each individual flow."]
唯资本主义
下列关于PowerPoint中编辑图片的说法中，不正确的是（） ["绘制矩形时，同时按下键盘的Shift键，则可以画出标准的正方形。","绘制完图形后，在它的边缘会出现8个小方块，用鼠标拖动小方块可以改变图形的形状和大小。","绘制曲线时，采用单击鼠标左键生成转折点和双击鼠标左健结束绘制曲线。","改变图形的填充颜色，只能采用“标准”的颜色而不能采用“自定义” 的颜色"]
机械性损伤的法医学鉴定需解决哪些方面的问题？
