补全对话(每空一词)  

A: Jack, what are you doing?    

B: I   1         2     my homework.    

A: Do you want to go to the movies?    

B: Oh, sorry. I have much    3     to do.    

A: What about Henry?    4     he doing his homework, too?    

B: No,he   5    .He    6        7   TV. You can ask him to go with you.    

A: OK. Henry, do you want to go to the movies?    

C: Yes. The TV show is   8    .What kind of movies do you want to watch?    

A: Action movies.    

C: That    9     interesting.   10   will we go?    

A: At half past six.    

C: All right.   

1.       2.       3.        4.        5.        6.       7.       8.        9.        10.       

为提高功率因数，传统的日光灯需加装相应规格的（）。