当混凝土施工无特殊振捣要求时，可采用振捣棒进行捣实，插入间距不应大于振捣棒振动作用半

He is a ______ boy.

A．ten-years-old

B．ten-year-old

C．ten years old

D．ten year old

Marie told us that _____ that she was able to set up new branches elsewhere．[ ]

A. so successful her business was    

B. so successful was her business

C. such successful business she had  

D. so was successful her business

鉴别诊断首要的辅助检查是

A．尿常规

B．B超检查

C．血放免p-HCG

D．X线透视或CT

E．尿酶联免疫HCO

下列哪些因素引起的便秘属于功能性便秘（）

A.痔疮

B.严重痔疮

C.衰老及常年卧床

D.饮食少、精细并缺乏纤维素

E.长期应用阿片类药物