炸药单耗是爆破破碎单位体积（或重量）的岩石所消耗的炸药量，单位是（）或g/m3。

婴儿在体内储备的铁能够满足婴儿出生后（）个月的需要。

A.4

B.5

C.6

D.7

Mo Yah was first known by many for Red Sorghum, which ________ into a famous film by director Zhang Yimou in I987.

A．adapted

B．was adapted

C．had been adapted

D．would adapt

治疗四肢麻木拘挛，骨节疼痛，腰腿酸软选用（）

A．二冬 

B．二术 

C．二母 

D．二活 

E．二枫藤

以脘腹痞胀，胃中有振水声，呕吐清水等为主要表现的证候是（）。

A.胃阳虚证

B.胃气虚证

C.寒滞胃肠证

D.胃热炽盛证

E.寒饮停胃证

数控机床按工艺用途分类，可分为数控切削机床、数控电加工机床、数控测量机等。（）