下列属于动物社会行为的是（    ）

用电烙铁对收音机断开的电路进行焊接的过程中，焊接发生的变化是    (    )

2006年9月中共中央、国务院颁布了《国家“十一五”时期文化发展规划纲要》，这是新中国成立以来，由中央制定的第一个专门部署文化建设的规划纲要，体现了党和国家对文化建设的高度重视。党和国家之所以重视文化建设，以下选项不符合要求的是（   ）

Nancy：Hi，David．Welcome to my home．

David：Wow，____

Nancy：Thank you．

David：Is this your family photo?

Nancy：Yes．This is my mother．

David：Wow，she looks young．____

Nancy：She is a secretary．

David：Is your father a scientist?

Nancy：Yes，he works at a university．

David：____By car?

Nancy：No，he goes to work by bike．____

David：Great．He has a very healthy life．Look at your sister．____

Nancy：Yes,her favourite toy was lost．David,come to my bedroom．Let's play computer

David：Great

A．What does she do?

B．Your home is big and beautiful．

C．She looks worried．

D．How does he go to work?

E．He likes riding a bike．