轮式挖掘机轮胎接触地面的面积越小，其接地比压如何变化（）。 A.越大 B.越小 C.

允许卖空和不允许卖空的可行域之间的区别在于，前者是封闭的，后者是无限区域。（）

阅读下面的短文，根据以下提示：1)汉语提示；2)首字母提示；3)语境提示,在每个空格内填入一个适当的英语单词并将该词完整地写在右边相对应的横线上。所填单词要求意义准确，拼写正确。

Last weekend, our school organized a social activity. We are required

to find out how much the countryside has changed.

The countryside takes          a new look both in living environment     小题1:       

and metal outlook. Hills are c            with trees and gardens are filled   小题2:       

with flowers. Rivers are clean with bridges            them, which are       小题3:         

very             (方便). Farmers are living in the beautiful houses which  小题4:         

are equipped with fine             (家具).What impressed us most is      小题5:        

            farmers are paying special attention to their cultural life.    小题6:        

           they have much money and less physical burden, they have    小题7:         

more time for leisure. People look____________ energetic and younger than   小题8:         

their age. This activity was _________(确实) a big surprise for us. What we  小题9:         

saw in the countryside was far better than we  e                        小题10:        

对企业进行流动资产价格鉴证前，首先要做的工作是( )。

A．弄清价格鉴证流动资产范围

B．确定价格鉴证资产的对象和范围

C．查核待价格鉴证流动资产的产权

D．对被价格鉴证流动资产进行抽查核实，验证基础资料

吊车操作要注意哪些安全事项？

以下是我国行政诉讼法的法源的有（）

A.宪法

B.最高人民法院关于执行行政诉讼法若干问题的解释

C.民事诉讼法

D.WTO协议中有关司法审查的规定