题目

I’m certain David’s told you his business trouble. ________, it’s no secret that he owes a lot of money to the bank.. A. However        B. Anyway         C. Therefore       D. Though 答案：B 解析: 略端午节，小明给奶奶剥粽子时闻到粽子的香味，这个现象说明（ ）A．分子间存在作用力B．分子间有空隙C．分子由原子组成D．分子在不停地运动