体育锻炼之所以能增强体能，主要由（ ）的生理机制决定的。

(单选题)It was foolish of him to ______ his notes during that import (单选题)More and more young girls are ______ to South Korean soap op (单选题)The Y-shaped span of Hong Kong-Zhuhai-Macao Bridge, links th (单选题)—Did you pass your driving test?—Yes, otherwise I ______ to (单选题)This event not only promoted the ______ of world hunger, but (单选题)Although singles’ Day represents a unique time for bargain h (单选题)A good teacher is one willing to try different methods to __ (单选题)The writer’s attitude towards social media is ______. (单选题)The underlined word “that” in Paragraph 3 refers to ______. (单选题)Which of the following statements is Daniel Miller likely to