便秘的外导法最早见于下列何书()
A.《丹溪心法》
B.《景岳全书》
C.《千金要方》
D.《证治准绳》
E.《伤寒论》
参考答案:E
Which of the following is least likely to be a characteristic of an effective financial reporting framework()
A. consistency
B. comparability
C. comprehensiveness
简述溶胶-凝胶法合成的基本过程。