As far as possible, the teacher should expose the student to real life situations.
教師應(yīng)該盡可能使學(xué)生接觸現(xiàn)實生活的情景。
The price we pay for cheap food may be already too high: Mad Cow Disease (BSE) in cattle, salmonella in chicken and eggs, and wisteria in dairy products.
牛肉中的瘋牛病,雞肉和雞蛋中的沙門氏菌,奶制品中的利斯特桿菌。