A、R<sub>Asub>:R<sub>Bsub>=2,T<sub>Asub>:T<sub>Bsub>=2 B、R<sub>Asub>:R<sub>Bsub>=1/2,T<sub>Asub>:T<sub>Bsub>=1 C、R<sub>Asub>:R<sub>Bsub>=1,T<sub>Asub>:T<sub>Bsub>=1/2 D、R<sub>Asub>:R<sub>Bsub>=2,T<sub>Asub>:T<sub>Bsub>=1
A、△G=[V<sub>lsub>(1-C<sub>lsub>)P<sub>lsub>/T<sub>lsub>-V<sub>2sub>(1-C<sub>2sub>)P<sub>2sub>/T<sub>2sub>][C/(1-C)]M/R B、△G=[V<sub>lsub>(1-C<sub>lsub>)P<sub>lsub>/T<sub>lsub>-V<sub>2sub>(1-C<sub>2sub>)P<sub>2sub>/T<sub>2sub>]M/R C、△G=[V<sub>lsub>C<sub>lsub>P<sub>lsub>/T<sub>lsub>-V<sub>2sub>C<sub>2sub>P<sub>2sub>/T<sub>2sub>][C/(1-C)]M/R D、△G=[C/(1-C)]M/R[V<sub>lsub>P<sub>lsub>/T<sub>lsub>-V<sub>2sub>P<sub>2sub>/T<sub>2sub>]
A、R<sub>1sub>=R<sub>2sub>+R<sub>3sub> B、R<sub>1sub> C、R<sub>1sub>>R<sub>2sub>+R<sub>3sub> D、难以判定