使下唇靠近牙龈并前伸下唇的表情肌是（）
A.三角肌
B.下唇方肌
C.上唇方肌下头
D.笑肌
E.颏肌
参考答案：E
The nurse is administering total parenteral nutrition (TPN) to a client who underwent surgery for gastric cancer. What is a major complication of TPN
A. Hyperglycemia.B. Extreme hunger.C. Hypotension.D. Hypoglycemi
什么是旅游美学？其研究的对象和范围有哪些？
