股价变动有一定趋势，( )就是帮助投资者识别大势变动方向的较为实用的方法。A．切线

阅读理解。

     One day, Bruce played in front of a house. A woman came up and asked Bruce, "Little boy, is your

mother at home?"

     "Yes, she is, " answered the boy.

     Then the woman went over to ring the bell. The bell rang and rang, but no one came to open the door. The woman got angry and called out to him, "You told me your mother was at home, didn't you?"

     "Yes," the boy answered."My mother is at home, but this isn't my home."

1. One day, Bruce played ______.

A. in a park        

B. in the street

C. in front of a shop      

D. in front of a house

2. The woman wanted to see ______.

A. Bruce's mother      

B. Bruce's father

C. Bruce himself        

D. nobody

3. The woman went over to ______after she talked with Bruce.

A. knock at the door of the house      

B. ring the bell of the house

C. give a call to his mother          

D. ask his mother some questions

4. The woman got ______ because no. one came to open the door.

A. pleased  

B. surprised  

C. angry

D. afraid

5. In the story the woman didn't find Bruce's mother because ______.

A. she went to the wrong house              

B. she didn't know Bruce's mother

C. Bruce was not at home             

D. Bruce didn't have a mother

心理学是研究人的( )的科学。

A．心理活动的规律
B．行为和心理活动的规律
C．生理与心理活动的规律
D．行为活动的规律

第五套人民币50元纸币的票面规格是（）。

A、165mm×77mm 

B、155mm×77mm 

C、150mm×70mm 

D、140mm×70mm

某虚拟存储系统采用最近最少使用(LRU)页面淘汰算法。假定系统为每个作业分配3 个页面的主存空间，其中一个页面用来存放程序。现有某作业的部分语句如下： Var A: Array[1..128,1..128] OF integer; i,j: integer; FOR i:=1 to 128 DO FOR j:=1 to 128 DO A[i,j]:=0; 设每个页面可存放128 个整数变量，变量i、j 放在程序页中，矩阵A 按行序存放。初始时，程序及变量i、j 已在内存，其余两页为空。在上述程序片段执行过程中， * * 生(27)次缺页中断。最后留在内存中的是矩阵A 的最后(28)。

（28）处填（）。

A．2 行

B．2 列

C．1 行

D．1 列

个人网上银行短信通知收费是（）。

A.30元/年

B.3元/月

C.1元/月

D.免费