下列哪个是精神分裂症的特征性症状()
A．失眠
B．注意力不集中
C．情感不稳
D．被洞悉感
E．遗忘
参考答案：D
You might search on the internet for professors and their courses about this university ____ may interest you.
A．where
B．that
C．which
D．who
NaOH的浓度为CNaoH=0.5450mol/L，取该溶液100ml，需要加多少ML水可配制成CNaoH=0.5000mol/L的溶液？
