擦缝

下列电路中属于“或”逻辑电路的是（　　）

A．

B．

C．

D．

— Mary,how did your maths test go?

—I had thought I _____ ,but in fact I came in the top 10 in my class. 

A．should have failed

B．couldn’t have failed

C．might have failed

D．shouldn’t have failed

评定患者阴性精神病性症状的量表是

A．SANS
B．SAPS
C．PANSS
D．CGI
E．HAMD

围护结构热惰性指标

小企业销售商品，确认销售商品收入时，可能贷记（）。

A.银行存款

B.应收账款

C.应收票据

D.主营业务收入