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I “ain’t” doing that “cos” I don’t want to! Do you understand this sentence? We speak slang words(俚...

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IenjoyplayingcomputergamesbutIcan't_____toomuchtim

take; doing spend; doing spend; on doing take; to do

----Idon’tunderstandwhyyoudidn’tgotothelectureyest

had done was doing would do am doing

----Theboysarenotdoingagoodjobatallarethey?----___

I guess not so I don`t guess so I don`t guess I guess not

---Thesegirlsarenotdoingfineatschoolarethey?---___

I guess not so I don’t guess I don’t guess so I guess not

-----Theboysarenotdoingagoodjobatallarethey?----__

I guess not so I don’t guess I don’t guess so I guess not

—Theboysarenotdoingagoodjobatallarethey?—________

I guess not so I don’t guess I don’t guess so I guess not

正弦交流电流的频率为50Hz有效值是1A初相角90°其瞬时值表达式为

i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A

--Theboyarenotdoingagoodjobatallarethey?--________

I guess not so I don't guess I don't guess so I guess not

---Thesegirlsarenotdoingfineatschoolarethey?---___

I guess not so I don’t guess I don’t guess so I guess not

I’msorryIhurtyou.Ididn’tmean_____.

to do to doing doing so

正弦交流电流的频率为50Hz有效值是1A初相角90°其瞬时值表达式为

i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A

Imeant______butwhenIwasleavingIcouldn’tfindheranyw

to do to doing doing to

Imeant____butwhenIwasleavingIcouldn’tfindheranywhe

to do to doing doing to

Imeant______butwhenIwasleavingIcouldn’tfindheranyw

to do to doing doing to

A.:Idon’tknowwhathe’sdoing.Idon’tcareeither.B.:Ido

i=5costi=3cost+4cos2ti=3cost+4cost+60问哪两个信号的有效值一样

---I’msorryIbrokeyourteapotbutIdidn’tmean_______.-

to do doing to doing so

IenjoyplayingcomputergamesbutIcan’t_____toomuchtim

take, doing spend, doing spend, for doing take, to do

Imeant______butwhenIwasleavingIcouldn'tfindheranyw

to do to doing doing to

.–---Theboysarenotdoingagoodjobatallarethey?----__

I guess not so I don’t guess I don’t guess so I guess not

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