The development of industry has been ________ gradual process throughout ________ human existence, from stone tools to modern technology. [ ]

A. 不填;  the  

B. the; a

C. a; 不填  

D. a; a

四海舒郁丸适用于何种类型瘿病

A．益气固表
B．滋阴降火
C．益气回阳，敛汗固脱
D．助正祛邪
E．调和营卫