按文件的内容划分有( )。A.顺序文件和随机文件 B.ASCII文件和二进制文们:

题型:单项选择题

问题:

按文件的内容划分有( )。

A.顺序文件和随机文件

B.ASCII文件和二进制文们:

C.程序文件和数据文件

D.磁盘文件和打印文件

考点:计算机等级考试VISUALBASIC二级VISUALBASIC笔试348
题型:单项选择题
已知α为锐角,cotα=
60
11
,则cosα的值等于(  )
A.
60
61
B.
13
61
C.
13
60
D.
11
61
题型:单项选择题
完形填空。
     Stress is the feeling you get when you're really worried about something. This is the kind of worry that
troubles you for hours, or even days. It makes you feel  1 , scared, or angry. You may find it difficult to eat
and sleep, or you might eat and sleep much  2  than usual. Stressing out will lead to serious problems like
heart illness.  3  not all stress is bad for you. The good kind  4  your body and mind alert (机敏的) and can
make you perform better, like when you're giving a speech to? your class or running to the finish line.
     What causes stress? Do you know  5  your dad is worried about the bills (账单), or your mom is unhappy?
Because they're stressed out! There are lots of things in your life that  6  cause stress-having too much
homework, taking a test in a subject that you are not good  7 , or hearing your parents argue!
     There are some ways to  8  stress. If you're stressed out, try these quick and easy ways to relax! Take
part in sports and out-of-class activities. Try to get at least eight hours of sleep every night. Eat a healthy,
balanced  9  that includes all kinds of food. Talk with your close friends, family members or teachers. It'll
make you feel better, and  10  may be able to give you advice and help you solve your problem.
( )1.  A. calm      
( )2.  A. more      
( )3.  A. So        
( )4.  A. stops     
( )5.  A. how       
( )6.  A. can       
( )7.  A. on        
( )8.  A. start with
( )9.  A. tofu      
( )10. A. they      
B. excited   
B. most      
B. Or        
B. loses     
B. why       
B. need      
B. at        
B. agree with
B. vegetables
B. we        
C. surprised 
C. better    
C. And       
C. keeps     
C. when      
C. must      
C. in        
C. deal with 
C. fruit     
C. she       
D. upset       
D. best        
D. But         
D. provides    
D. where       
D. should      
D. for         
D. come up with
D. diet        
D. he                            
题型:单项选择题

甲乙公司签订一份电脑买卖合同,只约定乙公司在2000年12月29日交货,未约定甲交付货款的时间且未达成补充协议的,则()。

A.甲公司应于合同成立时付款

B.甲公司应于收到电脑的同时付款

C.甲公司应于合同生效时付款

D.上述3个时间均可

题型:单项选择题

关于我国温度带叙述正确的是

A.青藏高原气候区属于寒温带

B.塔里木盆地属于中温带

C.广西南部在北回归线以南,属热带范围

D.辽东半岛基本上属于暖温带范围

题型:单项选择题

施工现场生产区距离集中爆破区应不小于()。

A.200m

B.300m

C.400m

D.500m

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