为了考察甲、乙两种小麦的长势,分别从中抽出20株测得其高度,并求得它们的方差分别

题型:填空题

问题:

为了考察甲、乙两种小麦的长势,分别从中抽出20株测得其高度,并求得它们的方差分别为S2=3.6,S2=15.8,则______种小麦的长势比较整齐.

考点:方差
题型:填空题
       Body language is very important in communication. Studies  1   that only 7% of the communication in
daily  2   is in words. Westerners expect people  3   at each other  4   the eyes when they talk. If you don't
do that while you   5   , it may show that you do not like the person,  6   that you are not interested in what
the person says. When   7   hands westerners will shake two or three times. Do not shake  8   westerner's
hand for a long time. When a man shakes hands   9   a woman, it is   10   for the woman to hold   11   her
hand first.
       In the west,  12   with one finger at a person while talking   13   means that the person   14   is speaking is criticizing the person who   15   pointed at. Besides this, men in English-speaking countries touch men
much   16   than men touch men in China. But men and women touch each other publicly  17   than men and women touch each other publicly in China. Boy friends and girl-friends often   18   hands, embrace ( 拥抱 ) or kiss in public.
       Good friends often   19   one another with a kiss   20   the cheek, if they are women or of opposite
sexes.
( )1. A. shows       
( )2. A. life         
( )3. A. look         
( )4. A. with         
( )5. A. see something
( )6. A. and         
( )7. A. shaking     
( )8. A. /           
( )9. A. to           
( )10. A. better     
( )11. A. up         
( )12. A. point       
(     )13. A. loudly     
(     )14. A. who         
( )15. A. is         
( )16. A. more       
( )17. A. often       
( )18. A. hold       
( )19. A. greets     
( )20. A. in         
B. show       
B. lives     
B. to look
B. by         
B. read a book
B. but       
B. shaken     
B. a         
B. towards   
B. important
B. on         
B. pointing   
B. fast       
B. whom       
B. are       
B. less       
B. much often
B. touch     
B. greet to   
B. on         
C. have       
C. lives     
C. looking   
C. in         
C. are looking
C. or         
C. shake     
C. the       
C. with       
C. worse     
C. back       
C. pointed   
C. usually   
C. which     
C. was       
C. longer     
C. more often
C. wave       
C. greet with
C. to       
D. has                
D. living            
D. looked            
D. to                
D. are talking        
D. except            
D. being shaken      
D. its                
D. by                
D. impolite          
D. out                
D. points            
D. again              
D. whose              
D. were              
D. harder            
D. too often          
D. show              
D. greet              
D. for                
题型:填空题

---_____ is it from your home to the cinema ?

---It’s about twenty minutes’ walk .

A.How long

B.How often

C.How far

D.How soon

题型:填空题

当两片8259A工作在级联方式且优先级均固定不变时(见图1),通道1、通道3、通道8和通道9的中断断请求信号按优先级从高到低排列的正确顺序是:


A)通道1、通道3、通道8、通道9
B)通道1、通道8、通道3、通道9
C)通道1、通道8、通道9、通道3
D)通道8、通道9、通道1、通道3

题型:填空题

我国债券型基金的认购费率通常在( )以下。

A.0.1%
B.0.5%
C.1%
D.5%

题型:填空题

对“三度服务”中关于“服务态度”的理解错误是()

A.业主有需求要热情主动

B.与业主对接要充分尊重

C.业主反映的问题要快速响应

D.业主交待的事情要认真负责

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