副偏角一般采用()左右。
A.10°~15°
B.6°~8°
C.1°~5°
D.—6°
参考答案:B
下列哪些是谷氨酸能受体的亚型()。
A.N-甲基-D-门冬氨酸(NMDA.亚型
B.红藻氨酸(kainatE.亚型
C.使君子酸(AMPA.亚型
D.N-乙酰胆碱受体亚型
E.GABA受体
This computer is up-to-date "______" a few shortcomings here and there.
A. except B. except for C. except that D. but