After the new type of rice was introduced, the farmers produced _____ rice this year as last year. [      ]

A. as twice much as  

B. twice as much as 

C. twice much as

D. twice as much  

女，51岁。因肝炎后肝硬化、上消化道出血入院，拟行手术治疗，现无出血现象，术前护理错误的是（）

A.注意保暖，防止感冒

B.避免用力打喷嚏

C.卧床休息，避免过度活动

D.术前晚肥皂水灌肠

E.术前2～3日口服肠道不吸收的抗生素