搜题请搜索小程序“爱下问搜题”
问题 单项选择题

Y公司开发的一商务楼于2010年6月20日完成竣工验收，该公司随后向公安机关消防机构申请消防设计、竣工验收备案。6月30日，Y公司被确定为抽查对象并收到公安机关消防机构出具的备案凭证。依据《建设工程消防监督管理规定》，Y公司应当在（）前按照备案项目向公安机关消防机构提供有关申请消防设计审核和竣工验收的材料。

A.7月5日

B.7月7日

C.7月10日

D.7月15日

答案

参考答案：A

填空题

液体的压强：

（1）液体压强产生的原因：______；

（2）液体压强的特点：液体对容器的______和______都有压强，液体内部各个方向都有压强；在同一深度，各个方向的液体压强______；深度增加，液体压强______；液体的密度越大，压强______．

（3）液体压强公式：______．由此可知液体内部的压强只跟______和______有关，而跟其它因素无关．

（4）连通器的原理：______．

（5）帕斯卡原理（用式子表示）：______．
查看答案
单项选择题 案例分析题

Once there was a little girl who came to live in an orphanage (孤儿院). As Christmas time was drawing near, all of the other children 11 telling the little girl about the beautiful Christmas tree that would appear in the hall downstairs on Christmas morning. After their usual 12 , each child would be given their only Christmas gift, a small orange.

The headmaster of the orphanage was very 13 with the kids. So on Christmas Eve, when he 14 the little girl slipping down the stairs to peek（偷看）at the much-heard-of Christmas tree, he 15 that the little girl would not receive her Christmas orange because she had been so curious as to disobey the rules. The little girl ran back to her room 16 , crying at her terrible fate. The next morning as the other children were going down for breakfast, the little girl stayed in her bed. She couldn’t 17 the thought of seeing the others receive their gift while there would be 18 for her. Later, as the children came back upstairs, the little girl was surprised to be handed a napkin (餐巾). As she carefully opened it, there, to her 19 , was an orange all peeled and sectioned (分瓣). “ How could this be? ” she asked. Then, she realized how each child had taken one section from their orange for her so that she, too , would have a Christmas orange. What an example of the true meaning of Christmas those orphan children showed that morning! How I 20 the world would show the same kind of concern for others, not only at Christmas, but throughout the year!

请在20处填上正确答案（）

A.wonder

B.think

C.wish

D.feel
查看答案