下列路由表中错误的路由表项是______。 A: C212.112.7.0/24isdirectlyconnected,212.112.7.1 B: S167.105.125.128[I/O]via202.112.7.1 C: O222.29.2.0/24[110/3]via162.105.1.145,00:13:43,Vlan1 D: OEI202.37.140.0/28[110/22]via162.105.1.145,00:13:43,Vlan1
下列路由表中错误的路由表项是______。 A: C212.112.7.0/24isdirectlyconnected,212.112.7.1 B: S167.105.125.128[I/O]via202.112.7.1 C: O222.29.2.0/24[110/3]via162.105.1.145,00:13:43,Vlan1 D: OEI202.37.140.0/28[110/22]via162.105.1.145,00:13:43,Vlan1
(24)下列路由表中错误的路由表项是 A: C212.112.7.0/24isdirectlyconnected,212.112.7.1 B: S167.105.125.128[1/0]via202.112.7.1 C: O222.29.2.0/24[110/3]via162.105.1.145,00:13:43,Vlan1 D: OEI202.37.140.0/28[110/22]via162.105.1.145,00:13:43,Vlan1
(24)下列路由表中错误的路由表项是 A: C212.112.7.0/24isdirectlyconnected,212.112.7.1 B: S167.105.125.128[1/0]via202.112.7.1 C: O222.29.2.0/24[110/3]via162.105.1.145,00:13:43,Vlan1 D: OEI202.37.140.0/28[110/22]via162.105.1.145,00:13:43,Vlan1
下列路由表信息中,错误的路由表项是()。 A: C 212.112.7.0/24 is directly connected,212.112.7.1 B: S 167.105.125.128[1/0]via 202.112.7.1 C: O 222.29.2.0/24[110/3]via 162.105.1.145,00:13:43,Vlanl D: O E1 202.37.140.0/28[110/22]via 162.105.1.145,00:13:43,Vlanl
下列路由表信息中,错误的路由表项是()。 A: C 212.112.7.0/24 is directly connected,212.112.7.1 B: S 167.105.125.128[1/0]via 202.112.7.1 C: O 222.29.2.0/24[110/3]via 162.105.1.145,00:13:43,Vlanl D: O E1 202.37.140.0/28[110/22]via 162.105.1.145,00:13:43,Vlanl
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
下列哪种主链骨架原子排列最能代表两个肽键?() A: Cα—N—Cα—C—Cα—N—Cα—C B: Cα—N—C—C—N—Cα C: C—N—Cα—Cα—C—N D: Cα—C—N—Cα—C—N E: Cα—Cα—C—N—Cα—Cα—C
下列哪种主链骨架原子排列最能代表两个肽键?() A: Cα—N—Cα—C—Cα—N—Cα—C B: Cα—N—C—C—N—Cα C: C—N—Cα—Cα—C—N D: Cα—C—N—Cα—C—N E: Cα—Cα—C—N—Cα—Cα—C
比较C≡C(Ⅰ),C=C(Ⅱ),C─C(Ⅲ),C=C─C=C(Ⅳ)的键长次序为( )。 A: Ⅰ>Ⅱ>Ⅲ>Ⅳ B: Ⅲ>Ⅱ>Ⅳ>Ⅰ C: Ⅲ>Ⅳ>Ⅱ>Ⅰ D: Ⅳ>Ⅲ>Ⅱ>Ⅰ
比较C≡C(Ⅰ),C=C(Ⅱ),C─C(Ⅲ),C=C─C=C(Ⅳ)的键长次序为( )。 A: Ⅰ>Ⅱ>Ⅲ>Ⅳ B: Ⅲ>Ⅱ>Ⅳ>Ⅰ C: Ⅲ>Ⅳ>Ⅱ>Ⅰ D: Ⅳ>Ⅲ>Ⅱ>Ⅰ
不稳定的一类化合物是: C≡C|C-C|C=C|C=C-C=C|C=C=C
不稳定的一类化合物是: C≡C|C-C|C=C|C=C-C=C|C=C=C
NaNH4HPO4水溶液的质子条件式为 A: c(H+)+c(H2PO4-)+2 c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) B: c(H+)+c(H2PO4-)+ c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) C: c(H+)+c(NH3)+ c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-) D: c(H+)+c(NH3)+ 2c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-)
NaNH4HPO4水溶液的质子条件式为 A: c(H+)+c(H2PO4-)+2 c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) B: c(H+)+c(H2PO4-)+ c(H3PO4)=c(OH-)+c(NH3) +c(PO43-) C: c(H+)+c(NH3)+ c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-) D: c(H+)+c(NH3)+ 2c(H3PO4)=c(OH-)+c(PO43-) +c(H2PO4-)
比较C≡C(I),C=C(II),C─C(III),C=C─C=C(IV)的键长次序为:
比较C≡C(I),C=C(II),C─C(III),C=C─C=C(IV)的键长次序为:
在同一种固体介质中,纵波、横波、表面波三者之间的声速关系为() A: C﹤C﹤C B: C﹤C﹤C C: C﹤C﹤C D: C﹤C﹤C
在同一种固体介质中,纵波、横波、表面波三者之间的声速关系为() A: C﹤C﹤C B: C﹤C﹤C C: C﹤C﹤C D: C﹤C﹤C