你可能感兴趣的试题
Im=πI Im= √2I Ie= √2Im Im=√2/2I
work are working have been working worked
is angry with make a decision take pride in is afraid of
speak speaks spoke speaking
don’t not doesn’t be don’t be
of, in the front of of, in front of at, before for, in front of
I=21/2Im I=21/2Im/2 I=2Im I=Im/2
have improved improved will improve am improving
Im=√ 2I； Im=√2I／ 2； Im=I； Im=√ 3I。
work are working have been working worked
has much to do with the operation of the engine and its life have much to do with the operation of the engine and its life has much doing with the operation of the engine and its life have much doing with the operation of the engine and its life
don’t not not be don’t be
am , will was , will were , will were , would
speaking in speaking in the to speak in to speak in the
don’t be not not be don’t
worried upset shy terrified
Im=√2I Im=√2I／2 Im=I Im=√3I
11Im1－3Im2＝ 5 11Im1＋3Im2＝5 11Im1＋3Im2＝－5 11Im1－3Im2＝－5
湘公网安备 43130202000226号