You’d better give the plant a bit of water every now and then to keep it ____ too dry.[ ]

A. to get

B. got

C. getting

D. from getting

科学的食谱既要包括比例适当营养搭配，又要注意            的合理分配。   一日三餐的热量分配是早餐：午餐：晚餐=               。在食物金字塔中人体每天需要最多的食物是                      。