题目内容

把左心室室腔分为流入道和流出道的结构是

A. 界嵴
B. 室上嵴
C. 二尖瓣后瓣
D. 二尖瓣前瓣

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Because America is a home to so many different ___, one can find almost any kind of restaurant in almost all the larger cities. Costs for a is very greatly from cheap to very _ in restaurants of larger cities. As the result of American's passion for , fast food shops have become widespread and ____ in the U.S., such as McDonald's and Kentucky Fried Chicken. There are also drive-in fast food restaurants.

增加混悬剂物理稳定性的措施是

A. 增大粒径分布
B. 增大粒径
C. 增大微粒与介质间的密度差
D. 增加介质黏度

小麦色的肌肤偏黑,不适合穿_______颜色的服饰

A. 翠绿和茶绿
B. 黄色
C. 白色
D. 黑色

溶胶剂是固体药物（）分散在液体分散介质中所形成的（）液体分散体系。

A. 细微粒子、非均匀状态
B. 细微粒子、均匀状态
C. 分子、非均匀状态
D. 分子、均匀状态