一次文献
参考答案：
是全面，直接地反映作者所取得的学术研究成果的原始文献，学术论文以及研究报告，实验报告等都属于一次文献。
生津甘露汤功效与作用
The nurse is teaching a client with a history of atherosclerosis. To decrease the risk of atherosclerosis, the nurse should encourage the client to（）
A. avoid focusing on his weight.
B. increase his activity level.
C. follow a regular diet.
D. continue leading a high-stress lifestyle.
