本课配套习题挑战模式1/7
 
                                | A: 甲、乙、丙、丁 | 
| B: 丁、丙、乙、甲 | 
| C: 甲、丙、乙、丁 | 
| D: 甲、丁、乙、丙 | 
- 提示1:IOeUsuaYr+WQuOawlOWGsueoi++8m+S5meaYr+WBmuWKn+WGsueoi++8m+S4meaYr+aOkuawlOWGsueoi++8m+S4geaYr+WOi+e8qeWGsueoiw==
- 答案:RA==
							PGRpdj7nlLLmmK/lkLjmsJTlhrLnqIvvvJvkuZnmmK/lgZrlip/lhrLnqIvvvJvkuJnmmK/mjpLmsJTlhrLnqIvvvJvkuIHmmK/ljovnvKnlhrLnqIvvvIzliJlE6YCJ6aG55q2j56GuPC9kaXY+
本课配套习题挑战模式2/7
| A: 向上 | 
| B: 向下 | 
| C: 先向下,再向上 | 
| D: 先向上,再向下 | 
- 提示1:IOWOi+e8qeWGsueoi+WwhuacuuaisOiDvei9rOWMluS4uuWGheiDve+8jOWwhuawlOS9k+WOi+e8qe+8jOaWueWQkeWQkeS4ig==
- 答案:QQ==
							PGRpdj7ljovnvKnlhrLnqIvlsIbmnLrmorDog73ovazljJbkuLrlhoXog73vvIzlsIbmsJTkvZPljovnvKnvvIzmlrnlkJHlkJHkuIrvvIzliJnpgInpoblB5q2j56GuPC9kaXY+
本课配套习题挑战模式3/7
| A: 将废气排出缸外 | 
| B: 完成对外做功 | 
| C: 吸进空气 | 
| D: 压缩空气 | 
- 提示1:IOWOi+e8qeWGsueoi+aYr+WwhuepuuawlOWOi+e8qe+8jOWwhuacuuaisOiDvei9rOWMluS4uuWGheiDvQ==
- 答案:RA==
							PGRpdj7ljovnvKnlhrLnqIvmmK/lsIbnqbrmsJTljovnvKnvvIzlsIbmnLrmorDog73ovazljJbkuLrlhoXog73vvIzmiYDku6VE6YCJ6aG55q2j56GuPC9kaXY+
本课配套习题挑战模式4/7
| A: 只有②③ | 
| B: 只有①③ | 
| C: 只有②④ | 
| D: 只有②③④ | 
- 提示1:IOaxveayueacuuaYr+eCueeHg+W8j++8jOaftOayueacuuaYr+WOi+eHg+W8jw==
- 答案:QQ==
							PGRpdj7msb3msrnmnLrmmK/ngrnnh4PlvI/vvIzmn7TmsrnmnLrmmK/ljovnh4PlvI/vvIzliJlB5q2j56GuPC9kaXY+
本课配套习题挑战模式5/7
| A: 气缸顶端,汽油机是火花塞,柴油机是喷油嘴 | 
| B: 他们都是将机械能转化为内能 | 
| C: 四个冲程:吸气,压缩,做功,排气 | 
| D: 柴油机吸入气缸的是空气,汽油机吸入气缸的是汽油和空气的混合物 | 
- 提示1:IOaftOayueacuuWSjOaxveayueacuumDveaYr+WwhuWGheiDvei9rOWMluS4uuacuuaisOiDvQ==
- 答案:Qg==
							PGRpdj7mn7TmsrnmnLrlkozmsb3msrnmnLrpg73mmK/lsIblhoXog73ovazljJbkuLrmnLrmorDog73vvIzliJnpgInpoblC5q2j56GuPC9kaXY+
本课配套习题挑战模式7/7
汽油机和柴油机在构造上,下列说法正确的是:( )
| A: 气缸顶端,汽油机是火花塞,柴油机是喷油嘴 | 
| B: 气缸顶端,汽油机是喷油嘴,柴油机是火花塞 | 
| C: 汽油机没有排气门 | 
| D: 柴油机没有进气门 | 
- 提示1:PHA+5rCU57y46aG256uv77yM5rG95rK55py65piv54Gr6Iqx5aGe77yM5p+05rK55py65piv5Za35rK55Zi0PC9wPg==
- 答案:QQ==
							PGRpdj7msJTnvLjpobbnq6/vvIzmsb3msrnmnLrmmK/ngavoirHloZ7vvIzmn7TmsrnmnLrmmK/llrfmsrnlmLTvvIzpgInpoblh5q2j56GuPGJyPjwvZGl2Pg==
 中学生网络课堂
中学生网络课堂 
						