画圆时,圆规两脚叉开的距离是2cm,画出的圆的周长是______cm.

题型:填空题

问题:

画圆时,圆规两脚叉开的距离是2cm,画出的圆的周长是______cm.

考点:圆的周长
题型:填空题

After staying several hours with her 10-year-old daughter who is admitted to the hospital with an asthmatic attack, the mother leaves to attend to her other children. The child exhibits continued signs and symptoms of respiratory distress. Which of the following findings would lead the nurse to make a nursing diagnosis of Anxiety related to respiratory distress

A. Complaints of an inability to get comfortable.
B. Frequently requests for someone to stay in the room.
C. Inability to remember his exact address.
D. Verbalization of a feeling of tightness in his chest.

题型:填空题

将V1ml水和V2ml酒精混合在一起的总体积为V3ml,则V1+V2________V3(填“大于”、“小于”或“等于”)

题型:填空题

关于拔除上颌中切牙,错误的说法是()

A.应用旋转力效果好

B.最后沿牙根纵轴方向牵引脱位

C.唇侧牙槽骨壁较薄

D.单根弯向远中,断面呈三角形

E.一般先使用向唇侧的摇动力

题型:填空题

下列物质的分子中均含有羟基:①乙醇 ②乙酸 ③水  ④碳酸;其中羟基氢活性最强是的:                                                     

A.①  

B.②  

C.③ 

D.④

题型:填空题

甲建筑单位有一工程项目,估计总投资额在5 000万人民币,现委托乙招标代理机构进行建设工程施工招标代理工作,招标通告后,有本市的A、B和邻市的C、 D四家具有相应资质的公司来投标,做为合法招标人的张某有意排斥邻市的两家公司,给予了A、B一定的方便,最终由A公司中标,整个招标过程未公开。

根据我国《招标投标法》规定,上述场景中的招标违反了( )原则。

A.客观

B.公开

C.公平

D.公正

E.诚实信用

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