在楼面卸下、堆放砌块时,应尽量避免冲击,严禁倾卸,撞击楼板,砌块的堆放应尽量靠近楼板的()。
A. 端部
B. 中部
C. 外部
D. 任意位置
查看答案
高压氧治疗缺氧的主要机制是()。
A. 提高吸入气氧分压
B. 增加肺泡内氧弥散入血
C. 增加血红蛋白结合氧
D. 增加血液中溶解氧量
E. 增加细胞利用氧
Router R1 lists the following output from a show command. Which of the following is true about R1?() R1# show ip v6 interface f0/0 FastEthernet0/0 is up, line protocol is up IPv6 is enabled, link - local address is FE80::213:19FF:FE12:3456 No Virtual link - local address(es): Global unicast address(es): 2000::4:213:19FF:FE12:3456, subnet is 2000:0:0:4::/64 [EUI] Jo ined group address(es): FF02::1 FF02::2 FF02::1:FF:12:3456
A. R1's solicited node multicast address is FF02::1:FF:12:3456.
B. R1's 2000::4:213:19FF:FE12:3456 address is a global unicast with all 128 bits statically configured.
C. Address FF02::2 is R1's solicited node multicast.
D. R1's solicited node multicast, not listed in this output, would be FF02::213:19FF:FE12:3456.