下列数据结构中，能用二分法进行查找的是( )。 A．顺序存储的有序线性表 B．线

简述人种与地理环境的关系。

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.

患者，男性，25岁，以饮酒后左上腹疼痛伴恶心、呕吐8小时就诊。该患者腹痛呈持续性刀割样疼痛，并向左腰背部放射，呕吐后疼痛不缓解。查体：急性痛苦面容，大汗淋漓，左上腹压痛明显。化验血淀粉酶明显高于正常。

提问：提示胰腺有弥漫性破坏的胃肠道症状是（）。

A.腹痛

B.腹胀

C.恶心

D.呕吐

E.脂肪泻

F.反酸

2009年，我国国内生产总值33万亿元，比上年增长8.7%，同时，财政收入6.8万亿，增长11.7%。对此理解正确的是

A．国家集中的财政收入越多越好

B．经济发展是财政收入增加的基础

C．保持财政收支平衡是财政政策实施的目的

D．财政是税收的主要来源

结帐前发现帐簿记录错误而记帐凭证没有错误，应用()更正。

A、划线更正法

B、红字更正法

C、补充登记法

D、蓝字更正法