本课配套习题挑战模式1/5
                                    单选题
                                    
                                难度系数:
                                        
                                
                                    1.如图,∠1=∠2,则下列结论一定成立的是(  )
                                
                                                                    
                            
                                | A: AB∥CD | 
| B: AD∥BC | 
| C: ∠B=∠D | 
| D: ∠3=∠4 | 
                                
                                
                                一次做对,真牛!
                                
                            
                        +5奖励规则>
                            - 提示1:IOWboOS4uuKIoDHkuI7iiKAy5pivQUTvvIxCQ+iiq0FD5omA5oiq5p6E5oiQ55qE5YaF6ZSZ6KeS77yM5omA5Lul57uT5ZCI5bey55+l77yM55Sx5YaF6ZSZ6KeS55u4562J77yM5Lik55u057q/5bmz6KGM5rGC6Kej
 - 答案:Qg==
							6Kej77ya4oi14oigMT3iiKAy77yMPGJyPuKItEFE4oilQkPvvIjlhoXplJnop5Lnm7jnrYnvvIzkuKTnm7Tnur/lubPooYzvvIkuIDxicj7mlYXpgIlCLiA=
 
本课配套习题挑战模式2/5
                                    单选题
                                    
                                难度系数:
                                        
                                
                                    2.
                                                                    
                            如图,在△ABC中,D、E、F分别在AB、BC、AC上,且EF∥AB,要使DF∥BC,只需满足下列条件中的(  )
| A: ∠1=∠2  | 
| B: ∠2=∠AFD  | 
| C: ∠2=∠FAD  | 
| D: ∠1=∠DFE  | 
                                
                                
                                一次做对,真牛!
                                
                            
                        +5奖励规则>
                            - 提示1:PHA+6KaB5L2/REbiiKVCQ++8jOWPr+WbtOe7leaIque6v+aJvuWQjOS9jeinkuOAgeWGhemUmeinkuWSjOWQjOaXgeWGheinku+8jOmAiemhueS4reKIoDE94oigREZF77yM5qC55o2u5bey55+l5p2h5Lu25Y+v5b6X4oigMT3iiKAy77yM5omA5Lul4oigREZFPeKIoDLvvIzmu6HotrPlhbPkuo5ERu+8jEJD55qE5YaF6ZSZ6KeS55u4562J77yM5YiZREbiiKVCQzwvcD4=
 - 答案:RA==
							PHA+6Kej77ya4oi1RUbiiKVBQu+8jDxicj7iiLTiiKAxPeKIoDLvvIjkuKTnm7Tnur/lubPooYzvvIzlkIzkvY3op5Lnm7jnrYnvvIkuPGJyPuKIteKIoDE94oigREZF77yMPGJyPuKItOKIoDI94oigREZF77yI562J6YeP5Luj5o2i77yJ77yMPGJyPuKItERG4oilQkPvvIjlhoXplJnop5Lnm7jnrYnvvIzkuKTnm7Tnur/lubPooYzvvIkuPGJyPuaJgOS7peWPqumcgOa7oei2s+S4i+WIl+adoeS7tuS4reeahOKIoDE94oigREZFLjxicj7mlYXpgIlELjwvcD4=
 
本课配套习题挑战模式3/5
                                    单选题
                                    
                                难度系数:
                                        
                                
                                    3.如图,下列条件不能判断直线a∥b的是(  )
                                
                                                                    
                            
                                | A: ∠1=∠4 | 
| B: ∠3=∠5 | 
| C: ∠2+∠5=180° | 
| D: ∠2+∠4=180° | 
                                
                                
                                一次做对,真牛!
                                
                            
                        +5奖励规则>
                            - 提示1:IOimgeWIpOaWreebtOe6v2HiiKVi77yM5YiZ6KaB5om+5Ye65a6D5Lus55qE5ZCM5L2N6KeS44CB5YaF6ZSZ6KeS55u4562J77yM5ZCM5peB5YaF6KeS5LqS6KGl
 - 答案:RA==
							6Kej77yaQeOAgeiDveWIpOaWre+8jOKIoDE94oigNO+8jGHiiKVi77yM5ruh6Laz5YaF6ZSZ6KeS55u4562J77yM5Lik55u057q/5bmz6KGMLiA8YnI+QuOAgeiDveWIpOaWre+8jOKIoDM94oigNe+8jGHiiKVi77yM5ruh6Laz5ZCM5L2N6KeS55u4562J77yM5Lik55u057q/5bmz6KGMLiA8YnI+Q+OAgeiDveWIpOaWre+8jOKIoDI94oigNe+8jGHiiKVi77yM5ruh6Laz5ZCM5peB5YaF6KeS5LqS6KGl77yM5Lik55u057q/5bmz6KGMLiA8YnI+ROOAgeS4jeiDvS4gPGJyPuaVhemAiUQuIA==
 
本课配套习题挑战模式4/5
                                    单选题
                                    
                                难度系数:
                                        
                                
                                    4.如图,下列各组条件中,不能得到c∥d的是(  )
                                
                                                                    
                            
                                | A: ∠2=∠3 | 
| B: ∠1+∠2=180° | 
| C: ∠2+∠4=180° | 
| D: ∠2=∠5 | 
                                
                                
                                一次做对,真牛!
                                
                            
                        +5奖励规则>
                            - 提示1:IOW5s+ihjOe6v+eahOWIpOWumuWumueQhuacieKRoOWQjOS9jeinkuebuOetie+8jOS4pOebtOe6v+W5s+ihjO+8jOKRoeWGhemUmeinkuebuOetie+8jOS4pOebtOe6v+W5s+ihjO+8jOKRouWQjOaXgeWGheinkuS6kuihpe+8jOS4pOebtOe6v+W5s+ihjO+8jOagueaNruS7peS4iuWGheWuueWIpOaWreWNs+WPrw==
 - 答案:Qg==
							6Kej77yaQeOAgeKIteKIoDI94oigM++8jDxicj7iiLRj4oilZO+8jOato+ehru+8jOaVheacrOmAiemhuemUmeivr++8mzxicj5C44CB55Sx4oigMSviiKAyPTE4MMKw6IO95o6o5Ye6YeKIpWLvvIzkuI3og73mjqjlh7pj4oilZO+8jOmUmeivr++8jOaVheacrOmAiemhueato+ehru+8mzxicj5D44CB4oi14oigMiviiKA0PTE4MMKw77yMPGJyPuKItGPiiKVk77yM5q2j56Gu77yM5pWF5pys6YCJ6aG56ZSZ6K+v77ybPGJyPkTjgIHiiLXiiKAyPeKIoDXvvIw8YnI+4oi0Y+KIpWTvvIzmraPnoa7vvIzmlYXmnKzpgInpobnplJnor6/vvJs8YnI+5pWF6YCJQi4g
 
本课配套习题挑战模式5/5
                                    单选题
                                    
                                难度系数:
                                        
                                
                                    5.如图,给出下列条件:①∠3=∠4;②∠1=∠2;③EF∥CD,且∠D=∠4;④∠3+∠5=180°. 其中,能推出AD∥BC的条件为(  )
                                
                                                                    
                            
                                | A: ①②③ | 
| B: ①②④ | 
| C: ①③④ | 
| D: ②③④ | 
                                
                                
                                一次做对,真牛!
                                
                            
                        +5奖励规则>
                            - 提示1:IOagueaNruW5s+ihjOe6v+eahOWIpOWumuaWueazlee7k+WQiOmimOebruaJgOe7meeahOadoeS7tui/m+ihjOaOqOeQhuWNs+WPry4=
 - 答案:Qw==
							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