1.i teach___English at home.2.___ are used for opening doors.(key)3.i think___comes from helping others(happy)

1.i teach___English at home.2.___ are used for opening doors.(key)3.i think___comes from helping others(happy) 单项选择1.A：——do you like your school?B:I like it very much.1.A：——do you like your school?B:I like it very much.A.What B.How C.How many D.Who选哪个,如何翻译最贴切?为什么?2.Lily__Lucy teach___English.A.and,my B.and,me C.or 用学过的英语单词填空.1.( )i( ) 2.( )i( ) 3.( )i( )( ) 4.( )i( )( ) 5.( )i( )( )( ) 6.( )i( )( )( ) 7.( )i( )( )( )( )8.( )i( )( )( )( ) 复数的计算1.i* i^2 * i^3 *.* i^20082.(1+i)^15+(1-i)^15/(1+i)^14-(1-i)^14 计算：1. (1-i)/(1+i) 2. (3+2i)/(4-3i) ( )the ninth letter.选择：1.I am2.I am3.I is4.Iis i i I I, I I I i i i i -I