【单选题】Washing the food down with water as a substitute ______chewing is not a good habit.
【简答题】Cholera is a water-borne disease that is spread through polluted water and food. Cholera is an illness caused by the bacterium. It produces a poison that causes a painless , watery diarrhea( 痢疾) that...
【判断题】最佳资本结构是使企业筹资能力最强,财务风险最小的资本结构。( )
【单选题】There was ______that we were in a fix, as we had no food in the coach and no water.