袍的种类及特征？

（-1）²⁰¹⁰的值是（　　）

A．1

B．-1

C．2010

D．-2010

第二节短文改错（满分10分）

Later in April, a photo show was holding in our school. It was great success! All the photos were

taken by the students ourselves. There were both black-and-white and color photos, presented

our school life, the beauty of nature, festival activities and so on. All the works of art were for

show in the reading room . Every day, a large number of student went to enjoy it and they

were surprised to find out that the pictures were too wonderful. Those students their photos were

chosen the best were given unexpected prizes. In short, this photo show really make our life colorfully.

案情：林某系一孤儿，15岁，父母遗有一栋房屋，叔叔郭某系其监护人。后来因姑妈在国外，带林某移民到新西兰，并在新西兰已经办好了加入新西兰国籍的手续。林某临走之前，郭某考虑到林某不再回来，遂决定将林某所有的房屋出售，价款供林某在国外读书之用。郭某以10万元的价格将房屋卖给周某。事后，房客贾某提出，他一直是该房的租赁人，因此对该房有优先购买权，要求郭某解除与周某的房屋买卖协议，将房屋重新出让给自己。郭某拒绝了贾某的要求，为此，贾某以郭某为被告，到法院提起诉讼。 问题：

贾某所列被告是否正确为什么

生产工艺岗位刮板机司机，输送机必须配有什么保护装置？

信贷证明的金额最高不得超过申请人拟招投标项目总标的金额的（）

A.30%

B.40%

C.50%

D.60%