某网球馆建筑面积80000m2，筏板基础，框架剪力墙结构。基坑开挖到设计标高后，施工单位和监理单位共同对基坑进行了验槽，并对基底进行了钎探。发现有部分软弱下卧层，施工单位于是针对此问题制订了处理方案并进行了处理。
基坑一般采用“开槽支撑、( )、严禁超挖”的开挖原则。
A．先挖后撑、分层开挖
B．先挖后撑、整体开挖
C．先撑后挖、分层开挖
D．先撑后挖、整体开挖
参考答案：C
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| I didn't cry when I learned I was the parent of a mentally handicapped (弱智的) child. "Go ahead and cry,"the doctor __1__ kindly.But I couldn't cry then nor during the months that followed. We sent her to a kindergarten in our neighborhood at age seven.I worried that she was the "__2__" child among twenty fiveyearolds. __3__,positive things began to happen to Kristi in her school,and to her schoolmates,too.When talking big of their own accomplishments,Kristi's classmates always took __4__ to praise her as well," Kristi got all her spelling words right today."No one would say that her spelling list was easier than anyone else's. During Kristi's second year in school,she __5__ a very special challenge.The big public event of the term was a __6__ based on the final outcome of the year's music and physical education activities.Kristi was __7__ in both.My husband and I felt __8__ about the day as well. On the day of the program,Kristi __9__ to be sick.Desperately I wanted to keep her home.Why let Kristi fail in a gymnasium __10__ with parents,students and teachers?What a simple __11__!But I finally got her onto the school bus. Just as I had forced my daughter to go to school,now I forced myself to go,too.Then I knew Kristi's __12__.Her class was divided into relay teams.With her slow and clumsy reactions,she would surely __13__ her team. But as Kristi's turn to __14__ neared,a change took place in her team.The tallest boy in the line stepped __15__ Kristi and placed his hands on her waist.Two other boys stood a little ahead of her. The __16__ the player in front of Kristi stepped from the sack(bag),the two boys seized it and held it open while the tall boy __17__Kristi and dropped her neatly into the sack.A girl ahead took her hand and supported her until she gained her __18__.Then off Kristi hopped (跳跃),smiling and proud. At the cheers of the crowd,I slipped out to thank Heaven for the warm and considerate people making it possible for my __19__daughter to be like her fellow human beings.Then I finally __20__. | ||||
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