How does a switch respond when it receives a message?（） ["It reads the Layer-5 information and sends the message directly to the intended computer.","It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.","It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.","It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch."]
下列描述中，不符合工程质量控制基本原则的是（）。 ["坚持质量第一","坚持以建筑产品为核心","坚持以预防为主","坚持质量标准"]
心墙土石坝的防渗体一般布臵在坝体中部，有时稍偏向上游，以便同防浪墙相连接，通常采用透水性很小的粘性土筑成。
从税收实践看，（）是规范政府和纳税人行为最为重要和最基本的手段。 ["以法治税","依法治税","以德治税","以德治税"]
物流早期发展的价值体现主要在（）。 ["经济价值方面","军事后勤方面","生产消费方面","商品流通方面"]
商业银行的资本金由（）和（）组成。
