问题
单项选择题
吊运熔融金属电动葫芦起重机起重量要求不得大于（）吨，工作级别不得低于A6级；
A、20
B、10
C、15
D、起重机安全作业
答案
参考答案：B
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吊运熔融金属电动葫芦起重机起重量要求不得大于（）吨，工作级别不得低于A6级；
A、20
B、10
C、15
D、起重机安全作业
参考答案：B
Even though it was only October, my students were already whispering about Christmas plans．With each passing day everyone became more ____ waiting for the final school bell．Upon its ____ everyone would run for their coats and go home, everyone except David. David was a small boy in ragged clothes．I had often ____ what kind of home life David had, and what kind of mother could send her son to school dressed so ____ for the cold winter months, without a coat, boots, or gloves．But something made David ____．I can still remember he was always ____ a smile and willing to help．He always ____ after school to straighten chairs and mop the floor．We never talked much．He ____ just simply smile and ask what else he could do, then thank me for letting him stay and slowly ____ home. Weeks passed and the ____ over the coming Christmas grew into restlessness until the last day of ____ before the holiday break．I smiled in ___ as the last of them hurried out the door．Turning around I saw David ____ standing by my desk. “I have something for you，” he said and ____ from behind his back a small box．____ it to me, he said anxiously, “Open it.” I took the box from him, thanked him and slowly unwrapped it．I lifted the lid and to my ____ saw nothing．I looked at David’s smiling face and back into the box and said, “The box is nice, David, but it’s ____.” “Oh no it isn’t，” said David．“It’s full of love．My mum told me before she died that love was something you couldn’t see or touch unless you know it’s there.” Tears filled my eyes ____ I looked at the proud dirty face that I had rarely given ____ to．After that Christmas, David and I became good friends and I never forgot the meaning ___ the little empty box set on my desk.
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