问题
问答题 简答题
使用局部通风机，通风的掘进工作面，必须做到那些？
答案
参考答案：
（1）甲烷风电闭锁与甲烷电闭锁
（2）对拒不通风机的供电要求
搜题请搜索小程序“爱下问搜题”
使用局部通风机，通风的掘进工作面，必须做到那些？
参考答案：
（1）甲烷风电闭锁与甲烷电闭锁
（2）对拒不通风机的供电要求
| 完形填空 | ||||
| Cheerful Charlie was a very special boy. When he was still in his mother's tummy (肚子), she had had an accident, which 1 that Charlie couldn't walk. But that had never been a(n) 2 for him; he had always been happy. When he became older, they had started calling him Cheerful Charlie because of his joyful and 3 nature. He really brightened everything up for those around him. There wasn't a postman, or a taxi driver who wasn't 4 to see Charlie. "Cheer up, Mr. Postman, that way you'll 5 more letters today!" he would say, or "That was great, Mr. Taxi Driver. You 6 that thing better than anyone else." He also had great ideas and 7 for everything; and he shared them so 8 that, just about every day in that town, someone did a great job, or 9 something new, thanks to Charlie's ideas. One day, though, he came up against a real 10 . A young boy came to town on his holidays. He was known as Waterworks and was a real crybaby. No matter what Charlie said to him, Waterworks would always find some 11 to be sad: "I don't have many sweets…my parents didn't buy me that toy…" Everything seemed so bad to him. But Cheerful Charlie wasn't going to be 12 , and he kept spending more time with Waterworks, 13 trying to cheer him up, just as he did with everyone. Then, one day, when they were together in the street, someone 14 a pie from a window above by chance, and it landed 15 on Charlie's head. He got such a fright that he couldn't even move his lips. He was speechless, and 16 Waterworks was just about to cry, he 17 Charlie's happy words so much that he finally said, "Wow, Charlie, that's a nice clown mask (小丑面具) you just 18 !" On saying those words, Waterworks felt so 19 that he finally understood why Charlie was always so happy and cheerful. He realized that he was so used to Charlie's enthusiasm that he couldn't help but see the fun 20 of everything. | ||||
|