按要求做题。

1. Tom doesn't like playing football. Kate doesn't like playing football, either.

(合并为一句) 

   _________Tom_______ Kate_______playing football.    

2. His grandfather died 2 years ago. (改为同义句)    

His grandfather________ _________ _________ ________2 years.    

3. the,for,years,job,twenty,she,had,has(连词成句)  

_____________________________________________________.    

4.Tom has already been to America. (改为否定句)

Tom ________been to America________.

电磁式电压互感器在运行中发生谐振，谐振电流含有基波、三次谐波时，在低频高电压作用下的励磁电流比工频高电压、高频高电压情况下的励磁电流会（）。

A.更小；

B.不变；

C.更大；

D.不确定。