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满雁仁1560He dances to - ___. -
卓进岩19628631417 ______[选项] A. CD B. TV C. music D. BOOK

满雁仁1560what are you doing?I am watching a( )show on TV. A.live B.alive C.living D.lively -
卓进岩19628631417 ______ what are you doing?------你正在干什么?I am watching a( )show on TV.------我正在看电视直播. A.live B.alive C.li...

满雁仁1560Do you have a colour TV? - -- - Yes,I have a good()A it B one C that D the one -
卓进岩19628631417 ______ 应该选Bone是泛指,指代 a color TV,意思是我有一台电视机,而不是我有“这”一台电视机;而 the one 是特指,如果你想特指某一台电视机才用这个,比如:The TV is black.意思是“这”台电视机是黑色的.

满雁仁1560若2+bi=i(1 - ai),其中a,b∈R,i是虚数单位,a - b是多少 -
卓进岩19628631417 ______ 2+bi=i(1-ai)=i-ai^2=a+i∵a,b∈R∴a=2 b=1a-b=2-1=1

满雁仁1560( )stay up very late .go to bed early ,please.A,don't B,no C,not D,can't -
卓进岩19628631417 ______ A否定祈使句Don't 在句首,表示建议. 别熬夜太晚.请早点去睡觉.