In Boolean logic, the search formula A near B enlarges the scope of search over A.

A 45-year-old woman comes to the clinic complaining of shortness of breath and palpitation on exertion for 3 years. Physical examination reveals that cardiac dullness border enlarges laterally and inferiorly, and cardiac dullness border is boot-shaped. The cause for her symptoms is most likely to be A: aortic regurgitation B: cor pulmonale C: dilated cardiomyopathy D: isolated mitral stenosis E: hypertensive heart disease

Multiple-Choice Question<br/>Why does exercise promote creativity? (you may pick more than one)<br/>爲什麽運動可以促進創意？（可以多選） A: Exercise stimulates the growth of brain cells in the hippocampus. 運動促進海馬區腦細胞生長。 B: Exercise enlarges the size of one's hippocampus. 運動促使海馬區變大。 C: One will have better memory after exercise. 運動後記憶力會提高。 D: Fewer brain cells survive after exercise. 運動後更少的腦細胞會存活下來。