多酶复合体（）
A.丙酮酸激酶
B.丙酮酸脱氢酶
C.丙酮酸脱羧酶
D.丙酮酸羧化酶
E.磷酸烯醇式丙酮酸羧激酶
参考答案：B
My son is very shy, but can you imagine ____ at the English party? [ ]
A. him sing
B. his singing
C. him to sing
D. his to sing
内囊的信号在：
A．T1WI为低信号
B．准T1WI为低信号
C．N（H）WI为高信号
D．T2WI为高信号
E．T2WI为低信号
