生命活动中能量的直接供体是（）
A．三磷酸腺苷
B．脂肪酸
C．氨基酸
D．磷酸肌酸
E．葡萄糖
参考答案：A
I can judge that he is very________from the________look on his face. [ ]
A. excited; excited
B. exciting; excited
C. excited; exciting
D. exciting; exciting
与网络相连接的激光印刷机
