治疗哮证缓解期脾虚证，应首选
A．理中汤B．六君子汤C．黄芪建中汤D．苏子降气汤E．补中益气汤
参考答案：B
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
A．Even if
B． As far as
C．If only
D． So long as
我国森林防火工作实行的方针是什么？
