护理研究过程中最关键的阶段是()。
A.选题和确立研究问题
B.科研设计
C.收集资料
D.书写论文
参考答案:A
透明质酸()
A.反映肝癌
B.反映胆汁淤积
C.反映肾损害的是
D.反映肝细胞实质损害
E.反映肝纤维化
— I am so happy that John now enjoys big parties.
— Really? He used to in front of strangers.[ ]
A. to host; be shy
B. hosting; being shy
C. hosting; be shy
D. to host; being shy