诊断指标 diagnosis index
参考答案：
衡量植物体内养分状况的参比标准。
As _____ matter of fact, _____ beauty of _____ nature there made an excellent impression on me. [ ]
A. a; the; 不填
B. a; the; the
C. the; the; 不填
D. a; 不填; the
具有“喜润恶燥”生理特性的脏腑是
A．肝
B．肺
C．脾
D．胃
E．大肠
