合同条款中，( )是合同存在的基础，没有此条款，就不存在合同。 A．主要条款 B

A new _____ bus service to Nanjing Airport started to operate two months ago.

  [      ]

A. normal

B usual

C. common

D. regular

女性，45岁，双腕、双手近端指间关节、掌指关节及双膝关节肿痛1月，晨僵1小时以上，伴发热。

为明确诊断，需行下列哪项检查（）

A.抗核抗体谱

B.双手X线片＋RF

C.HLA－B27

D.ESR＋CRP

E.免疫球蛋白＋补体

Which of the following home regimens should the nurse suggest to relieve itching in children with chicken pox

A．Generous amounts of fine baby powder.

B．Oatmeal preparation baths.

C．Terrycloth towels moistened with hydrogen peroxide.

D．Cool compresses moistened with a weak salt solution.

护理的最终目标是提高人类社会的健康水平。（）