按照美国DSM-IV（1991）标准，注意缺陷多动障碍的诊断中须至少具备注意力项和多动项中的各几种表现（）。

A.2

B.4

C.6

D.5

E.8

根据句意将括号中的字母组成正确的单词并填空。

1. (herew) —__________ is your backpack? —It's on the sofa.

2. (serdres) Look. The __________ is next to the bed.

3. (nowk)—Where are my keys? —Sorry. I don't __________.

4. (wredra) My mother's gold ring is in the __________.

5. (dinbeh) The eraser is __________ the pencil case.