酸中毒引起中枢神经系统抑制的机制是()。
A.Ach生成增多
B.谷氨酸脱羧酶活性增强,使γ-氨基丁酸生成增多
C.ATP生成减少
D.氧离曲线左移
E.高钾血症
参考答案:B, C
—Jack gave me a note while I ______ in class.
—Well, he used to talk to me when I was next to him. [ ]
A. am reading
B. was reading
C. reads
D. will read
《史记•鲁仲连传》:“噫嘻!亦太甚矣,先生之言也!”王若虚《滹南遗老集》云:“多‘先生言’字。必欲存之,当在‘太甚’字上。”王说之弊病是()。