王强与李刚两位同学在学习“概率”时,做抛骰子(均匀正方体形状)实验,他们共抛了5

题型:解答题

问题:

王强与李刚两位同学在学习“概率”时,做抛骰子(均匀正方体形状)实验,他们共抛了54次,出现向上点数的次数如下表:
向上点数123456
出现次数69581610
王强说:“根据实验,一次试验中出现向上点数为5的概率最大.”
李刚说:“如果抛540次,那么出现向上点数为6的次数正好是100次.”
请判断王强和李刚说法的对错.
考点:二次函数的最大值和最小值
题型:解答题
完型填空。
     From Monday to Friday most people are busy working or studying, but in the evenings and weekends they
are free and    1    themselves. Some watch television or go to the moives, other    2    sports. This is decided
by their own    3   .
     There are many different ways to spend our free time. Almost everyone has some kinds    4  , it may be
something from collecting stamps, to    5    model planes. Some hobbies are very expensive, but other don't
cost anything at all.
     I know a man who has coin collection worth several    6    dollers. A short time ago he bought a rare fifty-
cents piece which cost him $250! He was very happy about his collection and thought the price was all right.
On the other hand, my youngest brother collects match boxes, he was almost 600 of them, but I wonder    7   
 they are worth any money. However,    8    my brother, they are quite valuable. Nothing makes him happier
than to find a new match box for his collection.
     That's what a hobby means, I think. It is something we like to do in our    9    time just for of it. The value
in dollars is not important, but the pleasure it   10   us is.
( )1. A. love              
( )2. A. look like         
( )3. A. lives             
( )4. A. hobby             
( )5. A. make              
( )6. A. thousand          
( )7. A. that              
(     )8. A. to                
( )9. A. free              
( )10. A. takes          
B. work              
B. take care of        
B. interests        
B. thing               
B. making            
B. thousands            
B. if                  
B. on                 
B. busy            
B. gives            
C. enjoy           
C. think about       
C. jobs            
C. job             
C. makes            
C. thousands of          
C. what             
C. with           
C. holiday        
C. carries       
D. play          
D. take part in        
D. things         
D. way         
D. made             
D. thousand of                                
D. why             
D. in           
D. work          
D. shows         
题型:解答题

在安全生产管理中,运用人本原理的原则有( )。

A.动力原则

B.整分合原则

C.安全第一原则

D.能级原则

E.激励原则

题型:解答题

水肿辨证为脾肾阳衰,可选用

A.防己黄芪汤

B.真武汤

C.实脾饮

D.胃苓汤

E.济生肾气丸

题型:解答题

采用印模膏制取无牙颌初印模时,浸泡印模膏的适宜水温应为()

A.30℃~40℃

B.40℃~50℃

C.50%~60℃

D.60℃~70℃

E.70℃~80℃

题型:解答题

判断以下解决双进程临界区问题的算法是否正确:
Process Pi(i=0,1);
Do
flag[i]=true;
while(flag[1-i]);
critical section
flag[i]=false;
remainder section
while(1);

更多题库