问题
判断题
采掘工作面及其他作业地点风流中的瓦斯浓度达1%时,必须停止用煤电钻打眼。()
答案
参考答案:对
采掘工作面及其他作业地点风流中的瓦斯浓度达1%时,必须停止用煤电钻打眼。()
参考答案:对
选词填空。 | |
2. Give me the _____________. 3. _____________ was Father's Day. 4. Read me the _____________, please. 5. I was even _____________ puzzled. 6. I ask Tom to _____________ them all together. 7. Put three _____________ of flour into the bowl. 8. _____________, add one cup of milk. |