在Windows2000中，关于对话框叙述正确的是( ) A．对话框没有最大化按钮

已知S_n为等差数列{a_n}的前n项和，a₁=25，a₄=16。

（1）求a₂+a₄+a₆+a₈+…+a₂₀的值；

（2）求数列{|a_n|}的前n项和T_n。

根据答句写问句。

1．A:______________________________________________________________ 

     B: Yes, we do. We are pop music fans.

2．A:________________________________________________________________ 

     B: No, we don't. We don't sell rock music in this section.

3．A:________________________________________________________________ 

     B: Because Sandy is so amazing.

4．A:________________________________________________________________ 

     B: No, we don't. We don't like Latin music.

5．A:________________________________________________________________ 

     B: The concert was not bad.

6．A:________________________________________________________________ 

     B: The dance music is on the second floor.

7．A:________________________________________________________________ 

     B: I bought this video at Big Sound Video shop.

8．A:________________________________________________________________ 

     B: Oh, my mother doesn't have a favorite group.

9．A:________________________________________________________________ 

     B: Lucy wants to buy a pop CD.

10．A:_______________________________________________________________ 

       B: The country CDs are behind the rock music.

对诊断原发性肝癌具有较高特异性的检查是

A．B超
B．放射性核素肝扫描
C．CT
D．血清甲胎蛋白测定
E．选择性肝动脉造影

助理人员对Z公司进行内部控制测试，运用抽样时遇到下列问题，请代为回答。

助理人员在对销售审批的内部控制进行控制测试时，为确定预计总体偏差率，助理人员的判断不恰当的是( )。

A．预计总体偏差率可根据对相关控制的设计和执行情况的了解来确定

B．预计总体偏差率可根据从总体中抽取少量项目进行检查的结果来确定

C．预计总体偏差率可根据计划评估的控制有效性来确定

D．预计总体偏差率可根据上年测试结果和控制环境等因素进行估计