药物"七情"中,配伍禁忌有
A.相须、相使
B.单行
C.相畏
D.相恶、相反
E.相杀
参考答案:D
The house_____ there will be his new home but we don't know when it will be finished. [ ]
A.built
B. being built
C. is being built
D. to be built
一名装卸工人将质量为100kg的油桶,沿长5m、高1m的斜面推上货车,不计桶与斜面间的摩擦,这名工人所用的推力为______N,推力做功______J.(g=10N/kg)