平衡表内储量
参考答案：
目前技术条件下煤层的主要质量指标和经济技术指标都符合工业要求，可供开采的储量。
6.4×25%+5.2×15%．
根据下列句子及所给汉语注释填单词。
1. Please ______ (切) me a piece of cake.
2. He has always been a big ______ (迷) of Michael Jackson.
3. Charlie tried to ______ (使平静) the frightened children.
4. It wasn't very ______ (有礼貌的) of you to serve yourself without asking.
5. Smoking is not ______ (允许)in this restaurant.
6. Is the fire still ______ (燃烧)?
7. The baby's first front ______ (牙齿) are just coming through.
8. Phone me ______ (今晚) when you get there.
9. ______ (幸好), she was in when I called.
10. It was ______ (明显的) that she was not going home.
