机体缺乏谷氨酰胺，可导致
A．肝功能不良
B．淋巴细胞增殖
C．小肠屏障功能减退及细菌移位
D．代谢增强
E．肠功能紊乱
参考答案：C
Every student as well as teachers who ______ to visit the museum ______ asked to be at the school
gate on time. [ ]
A. is; is
B. are; are
C. is ; are
D. are ;is
战略联盟存在的困难主要表现在哪些方面？
