男性，车祸引起胸部损伤，经吸氧后仍呼吸困难、发绀，护理体检：BP76/50mmHg，P124/min，左胸部饱满有骨擦音及胸壁捻发音，叩诊鼓音，呼吸音消失，右肺清晰，应为下列哪组诊断（） 正确。 错误。
土石坝中（）的排水体伸入坝体内部，能有效的降低浸润线，常用于下游水位较低或无水情况。 正确。 错误。
什么是水库的水量损失？主要包括哪些方面？ 正确。 错误。
A Cisco Wireless Location Appliance has been added to track RFID tags placed on laptops being used in aschool. Classrooms at the school have concrete block walls. During testing， you discover that the accuracyof the system needs to be improved. You decide to edit the map in the Cisco WCS to add the interior walls. How many interior walls can you add to improve the accuracy of the location appliance？（） 正确。 错误。
As a Pass Guide instructor you are giving a lecture on the historical context of Cisco. You point out that a computer scientist started the Cisco Corporation. One of the attendants asks you when and where Cisco was founded. What should you respond? （） 正确。 错误。
物流的定义随着人们对物流活动和实践的逐步认识而发生变化得到丰富、深化和扩展。
