如何进行成墙质量检验？
扶持战略性新兴产业属于（）。 ["产业结构政策","产业组织政策","收入政策","财政政策"]
当超声波探伤不能对缺陷作出判断时，应采用（） ["X射线探伤","磁粉探伤","渗透探伤","着色探伤"]
两种不同的树有规律布置成的行道树属于（） ["交错韵律","交替韵律","简单韵律","渐变韵律"]
If the router R1 has a packet with a destination address 192.168.1.255, what describes the operation of the network（）。 ["R1 will forward the packet out all interfaces.","R1 will drop this packet because this it is not a valid IP address.","As R1 forwards the frame containing this packet, Sw-A will add 192.168.1.255 to its MAC table.","R1 will encapsulate the packet in a frame with a destination MAC address of FF-FF-FF-FF-FF-FF","As R1 forwards the frame containing this packet, Sw-A will forward it to the device assigned the IP address of 192.168.1.255."]
开挖施工过程中，软弱地基的处理方法是什么？
