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Dothefollowingthreemainpoints:1findouttheweak.Reviewprocessistosumuptheknowledgeontheonehand,maketheknowledgemorecoherentsystemandregularity,butalsoletthestudentsthemselves,looksupthedeficiencies.So,weteacherstounderstandthestudents'knowledgeofthesituationpriortothereview,studentsnotonlyfoundwidespreaddeficiencies,butalsosomeshortcomings,forthesewelldesignedprograms,reasonablearrangementoftime,thisreviewismoretargetedandmoreeffective.Forexample,youcandesignaformforinvestigation,understandingstudents'weaknessesineachknowledge,putitasareviewofkey,combinedwiththeproblemoftextbookstoreview,bothtoavoidcastinganettihaizhanshu,andimprovetheefficiencyofreview.2,goodcollation.Throughsixyearsofstudy,studentsinthebasics,readingmethod,exercises,andsoalreadyhaveacertaindegreeofaccumulation,thereviewstage,teachersshouldknowhowtoguidethestudentstolabeltheaccumulation,process,formasystemofknowledgenetworks.Exercisesforstudentstoberepresentative,fine,complete,tolive,andearnestlydoaproblemlearningamethod,classofpasswastogettimeefficientreviewresults.3,payattentiontouse.Theaccumulationofknowledgeisultimatelytouse,therefore,reviewthesituationandlifesituationtobecreatedinavarietyoflanguages,guidestudentsonthebasisofthepreviousaccumulationofknowledgetousetothemaximum,andreallyapplywhattheyhavelearned.Second,reviewthecontentandstrategyofthefirstpart:thebasics(a)1,reviewthemainpointsofHanyuPinyinisabletoreciteandwritedownthealphabetofHanyuPinyin;accuratespellingpronunciation(afterreadingcacuminal,nasalsound,light,andretroflexsounds),thecorrectwriteconsonants,vowelsandsyllables.2,.maintypesaccordingtotheorderofthealphabetofHanyuPinyinalphabeticalorder;fillintheappropriateuppercaseandlowercaseletters;seephoneticwritingwords;pinyintowritesentenceswithdottoselectthecorrectpronunciationoftheword;tobringsomeinitialconsonantsorvowels,wordselection.Second,themaintypesofwords(1)Rubywrittenwords;(2)tobringWordtoselectthecorrectpronunciation;(3)useasequencerandradicalcharacterlookupmethod无论是统筹推进“五位一体”总体布局，还是全力推进全面建成小康社会进程，乃至实现“两个一百年”奋斗目标，都需要不忘初心，继续前行。七年级上册数学第一单元测试题出卷人：王晨班别：姓名：一、选择题1．下列说法正确的个数是()①一个有理数不是整数就是分数②一个有理数不是正数就是负数③一个整数不是正的，就是负的④一个分数不是正的，就是负的。A1B2C3D42．2.下列说法正确的是()。①0是绝对值最小的有理数②相反数大于本身的数是负数③数轴上原点两侧的数互为相反数④两个数比较，绝对值大的反而小。A①②B①③C①②③D①②③④3.某粮店出售的三种品牌的面粉袋上分别标有质量为（25±0.1）kg,（25±0.2）kg,（25±0.3）kg的字样，从中任意拿出两袋，它们的质量最多相差（）。A0.8kgB0.6kgC0.5kgD0.4kg4.若ab≠0,则的取值不可能是（）A0B1C2D-25.在－2，0，1，3这四个数中，比0小的数是（）A、－2B、0C、1D、3二、填空题。6.如果向东走3米记为＋3米，那么向西走6米记作。7.计算31－21＝.8.如果数轴上的点A对应的数为-1.5，那么与A点相距3个单位长度的点所对应的有理数为___________。9.倒数是它本身的数是；10.相反数是它本身的数是()；绝对值是它本身的数是()。17、的相反数是()，的相反数是()，1的相反数是()。三、解答题11.在数轴上表示下列各数，并用“＞”把它们连接起来。―32.50－4.50.5－2112.计算。(1)|－2|－（－2.5）―|1－4|(2)(－21＋61－83＋125)×(－24)(3)(-12)÷4×(-6)÷2（4）64÷（-351）×85Dothefollowingthreemainpoints:1findouttheweak.Reviewprocessistosumuptheknowledgeontheonehand,maketheknowledgemorecoherentsystemandregularity,butalsoletthestudentsthemselves,looksupthedeficiencies.So,weteacherstounderstandthestudents'knowledgeofthesituationpriortothereview,studentsnotonlyfoundwidespreaddeficiencies,butalsosomeshortcomings,forthesewelldesignedprograms,reasonablearrangementoftime,thisreviewismoretargetedandmoreeffective.Forexample,youcandesignaformforinvestigation,understandingstudents'weaknessesineachknowledge,putitasareviewofkey,combinedwiththeproblemoftextbookstoreview,bothtoavoidcastinganettihaizhanshu,andimprovetheefficiencyofreview.2,goodcollation.Throughsixyearsofstudy,studentsinthebasics,readingmethod,exercises,andsoalreadyhaveacertaindegreeofaccumulation,thereviewstage,teachersshouldknowhowtoguidethestudentstolabeltheaccumulation,process,formasystemofknowledgenetworks.Exercisesforstudentstoberepresentative,fine,complete,tolive,andearnestlydoaproblemlearningamethod,classofpasswastogettimeefficientreviewresults.3,payattentiontouse.Theaccumulationofknowledgeisultimatelytouse,therefore,reviewthesituationandlifesituationtobecreatedinavarietyoflanguages,guidestudentsonthebasisofthepreviousaccumulationofknowledgetousetothemaximum,andreallyapplywhattheyhavelearned.Second,reviewthecontentandstrategyofthefirstpart:thebasics(a)1,reviewthemainpointsofHanyuPinyinisabletoreciteandwritedownthealphabetofHanyuPinyin;accuratespellingpronunciation(afterreadingcacuminal,nasalsound,light,andretroflexsounds),thecorrectwriteconsonants,vowelsandsyllables.2,.maintypesaccordingtotheorderofthealphabetofHanyuPinyinalphabeticalorder;fillintheappropriateuppercaseandlowercaseletters;seephoneticwritingwords;pinyintowritesentenceswithdottoselectthecorrectpronunciationoftheword;tobringsomeinitialconsonantsorvowels,wordselection.Second,themaintypesofwords(1)Rubywrittenwords;(2)tobringWordtoselectthecorrectpronunciation;(3)useasequencerandradicalcharacterlookupmethod无论是统筹推进“五位一体”总体布局，还是全力推进全面建成小康社会进程，乃至实现“两个一百年”奋斗目标，都需要不忘初心，继续前行。13.若|a|=2,b=-3,c是最大的负整数，求a＋b-c的值。14.为体现社会对教师的尊重，教师节这天上午，出租车司机小王在东西走向的公路上免费接送老师。如果规定向东为正，向西为负，出租车的行程如下。（单位：千米）＋15－4＋13－10－12＋3－13－17（1）当最后一名老师到达目的地时，小王距离开始接送第一位老师之前的地点的距离是多少？（2）若出租车的耗油量为0.4升/千米,这天上午出租车共耗油多少升?附加题1.已知数轴上的三点A、B、C分别表示有理数a，