灰浆搅拌机作业前应检查并确认传动机构、工作装置、防护装置等牢固可靠，V带松紧度适当，

       Mr. Jackson began his trip last Saturday. Two days later when he was traveling in the country   1   ,
he saw dog behind a man. As the car came near them, the dog suddenly started to   2   the road. Of
course the car hit the poor animal and killed it.  
       Mr. Jackson   3   his car and walked to the man."I'm very   4   that this happened. "he said. "How
much shall I   5   ? Will ten dollars be enough?"  
      "Oh，yes."said  the  man. "Ten  dollars  will  be   6   enough." Mr. Jackson put his hand into his
pocket，but he only   7   five dollars in the pocket. "Sorry，sir , I've only   8   five dollars." said
Mr. Jackson.    
      "No  problem. That's  enough. "the  man  replied. "Thanks a lot. That's very kind of you. "Mr. Jackson
thanked the man and   9   awa.When the car went a-way，the man looked down at the dog and thought. 
     "I want to know   10   dog it is."