某患者坚信有人要杀他,这一症状是( )。
A.幻觉 B.妄想 C.错觉 D.逻辑障碍
参考答案:B
---Are you going to attend the meeting _____ next Saturday?
---I won’t unless invited.
A.being held
B.held
C.will be held
D.to be held
灰分指煤()残留物的产率。