气机升、降、出、入的道路是什么？（）

A.五脏

B.六腑

C.三焦

D.气血

E.经络

(大连市高三双基测试卷)Hoping to be stronger to compete with the world’s best, Murry has put on about 4 kg by eating twice as much as his _______ amount.

A．common

B．ordinary

C．formal

D．usual