吃饭时不要饮茶，因为饮茶影响铁的吸收。
参考答案：对
It's dangerous for you _______ in the street.[ ]
A. play
B. to play
C. played
D. playing
爆破工仅携带爆破合格证就可以到爆炸材料库领取爆炸材料。（）
