矿石
参考答案:
凡是地壳里面的矿物集合体,在现代技术经济水平条件下,能以工业模从中提取国民经济所必需的金属或矿物产品的,就叫做矿石。
根据所给的图片,选出适当的单词。
1. This is a __________. [ ]
A. car
B. boat
2. I can see two __________. [ ]
A. plane
B. planes
3. Is this a __________? Yes, it is. [ ]
A. ball
B. balloon
4. Look, I have a __________. [ ]
A. kite
B. doll
5. Can I have a __________? Yes, here you are.[ ]
A. cake
B. bread
全列车运输票据丢失时,被查询站接电后,均应于24小时内电复继续查询。