题目

Allen had to call a taxi because the box was _____ to carry all the way home. A. too heavy much B. too much heavy C. heavy too much D. much too heavy   答案：D既不参与构成人体细胞，又不为人体提供能量的营养物质是（ ）A．蛋白质B．水C．维生素D．糖类