肝性脑病病人治疗，为了取代脑部假性神经传导介质，应选用（）
A.多巴胺
B.谷氨酸钾
C.精氨酸盐
D.去甲肾上腺素
E.以上都不是
参考答案：E
I want to improve my learning efficiency(效率) _____ have more spare time for my hobbies.[ ]
A. because of
B. in order to
C. as a result
D. so that
传媒无形资本运营定义
