问题
单项选择题
《砌体工程施工质量验收规范》(GB 50203—-2002)规定，凡在砂浆中掺人( )应有砌体强度的型式检验报告。
A．有机塑化剂
B．缓凝剂
C．早强剂
D．防冻剂
答案
参考答案：A
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《砌体工程施工质量验收规范》(GB 50203—-2002)规定，凡在砂浆中掺人( )应有砌体强度的型式检验报告。
A．有机塑化剂
B．缓凝剂
C．早强剂
D．防冻剂
参考答案：A
A farmer was selling(卖) his little dogs. Just then, a __1_ happened to pass by. “I want to __2__ one of your dogs, sir.” “Well,” said the farmer, “these dogs come from fine parents and cost a lot of __3_.” The boy drop (低下) his head for a __4____. Then he reached deep into his pocket and took out some change. “I’ve got thirty-nine cents. Is that __5__ to take a look? ” “__6__,”said the farmer. And with that he let out a whistle(口哨),“Here, Dolly!” Dolly ran out of the doghouse followed by four little dogs. The boy’s eyes danced with _7_. As the dogs made their ___8__ to the farmer, the little boy saw something else moving inside the __9__.Slowly another little dog __10__; this one much smaller. It was doing its best to look out “I ___11_that one,” the little boy said. The farmer said, “Son, don’t want that dog. He will __12__ be able to run and play with you like the other dogs would.” The boy rolled up(卷起) one leg of his trousers and showed a steel(钢) __13__.Looking back up at the farmer, he said,“You see, sir ,I don’t __14__ too well myself ,and he will need someone to __15____”
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