搜题请搜索小程序“爱下问搜题”
问题 解答题

解方程．

2.5+10X=12.5             17+6X=20          3.5×6-3x=11.4．

答案

（1）2.5+10X=12.5，

     2.5+10X-2.5=12.5-2.5，

             10X=10，

         10X÷10=10÷10，

               X=1；

（2）17+6X=20，

  17+6X-17=20-17，

        6X=3，

     6X÷6=3÷6，

         X=0.5；

（3）3.5×6-3x=11.4，

          21-3x=11.4，

       21-3x+3x=11.4+3x，

        11.4+3x=21，

   11.4+3x-11.4=21-11.4，

             3x=9.6，

          3x÷3=9.6÷3，

              x=3.2．

完形填空
完形填空。
     The Great Wall of China has a history of more than two thousand years. It is from the east to the west
in   1   China. It is about 4, 000 miles   2  . It is called "Ten-Thousand-Li Great Wall" by Chinese people.The Great Wall was   3   for ten men to walk side by side along the highest part.   4  could run along
it, too.
     The Great Wall   5   stones and bricks(砖). There were huge stones on   6   sides and on the highest
part.
     Along the Great Wall there were 7   watchtowers(瞭望台). Long ago, the soldiers kept watching for
the enemy(敌人) in the watchtowers day and night. They made   8   on the towers to tell each other when
the enemy came.
     As   9   old building, the Great Wall of China is known to the whole world. Every   year   10   people
come to visit it from all over the world. 
( ) 1. A. North                
( ) 2. A. short                
( ) 3. A. enough long             
( ) 4. A. Dogs                
( ) 5. A. made from              
( ) 6. A. both                
( ) 7. A. big                  
( ) 8. A. water                
( ) 9. A. a                  
( ) 10.A. thousand and
thousand of		B. So uth              
B. high                
B. long enough          
B. Horses              
B. was made from          
B. each                
B. small              
B. word                
B. an                
B. thousands and
thousands 		C. East                  
C. wide                  
C. enough wide             
C. Men                  
C. was made of              
C. every                
C. beautiful              
C. trees                
C. the                  
C. thousands and
thousands of		D. West                      
D. long                      
D. wide enough               
D. Children                  
D. made of                    
D. all                        
D. tall                      
D. fires(火)                
D. /                          
D. thousand and
thousands  
查看答案
选择题

近年来，我国食品安全事件频发，使我国一些食品企业遭受重创。许多企业要下大力气加强诚信建设。这说明[ ]

①公司要诚信经营，树立良好的信誉和企业形象

②企业如果通过不正当手段谋取利益，不会真正取得成功，违法者最终要受到法律的制裁

③企业只要讲究信誉，就能经营成功

④企业的信誉和形象是企业的无形资产

A．①②③

B．②③④

C．①②④

D．①③④

查看答案