软件简介： 七年级下数学（湘教版）期中考试试题  
   一．填空题（每小题2分，共20分）                                                                                                       
    1．列不等式组：x与3的和小于4,且x 与6的差是负数                                                                                                                                                        
                       2x + 3 ﹥7                                                                                                  
      2．   不等式组：                的解集是                                                                      
               3x — 5﹤4                                                                                   
      x + 2y = 7                                                                               
    3．方程组         的解是                                                                
     2x + y = 7                                  x=2                                                                                               
    4. 请你写出一个二元一次方程组，使它的解是                                                                   
                                                 y=3                                      
           x﹥—3                                                                                 
     5．不等式组：          的整数解是                                                                                     
           x﹤2                                                                               
                                                                                           
  x=2                    ax + by =3                                                                      
     6. 若        是方程组              的解，则a =     b =                                                                 
 y= –1             bx + ay =2                                               
7．如果x＞y ，用不等号连接：                                          
8．计算：18 27  35  + 24 37 43  =                                                
9．一个角的余角是这个角的补角的 ，则这个角的度数为                                                                  
10．如图，已知AB//CD，∠ABP=34 ，∠DCP=27                                
   那么∠BPC=                 A                B                              
                                      P                                       
                             D               C                                                      
二．选择题（每小题3分，共30分）                                        
11．下列是二元一次方程的是（    ）                                                                               
 A．x+y   B. x+3y＞8   C.  +   =3  D.3x+y=35                                         
 12.某工程队共有27人, 每天每人可挖土4方，或运土5方                             
  为使挖出的土及时运走，应分配挖土和运土的人分别是（   ）                       
     A．12人，15人           B. 14人，13人                                                             
 C. 15人， 12人 D.13人，14人                 
 13．代数式1–x的值大于–1，而又不大于3，                                                                 
 则x的取值范围是（   ）                            
 A．–1＜x≤3           B. –3≤x＜1                                                  
 C. –2≤x＜2 D. –2＜x≤2                                             
 x＞m