情景反应。从第II栏中找出第I栏的相应答语。

                            I                                                      II

(     ) 1. Hello!                                               A. No, it's his.

(     ) 2. Does he have small ears?                  B. It's Miss Liu's.

(     ) 3. Excuse me ,whose cat is that?           C. Yes, he does.

(     ) 4. Is this your schoolbag?                      D. That's OK.

( ) 5. Thank you.                                       E. Hello.

在感性负载交流电路中，常用（）方法可提高电路功率因数。

A.负载串联电阻

B.负载并联电阻

C.串联电容器

D.并联电容器