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时间:2020-09-04
《平方根,立方根综合提高训练题复习进程.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、1、化简:。2.若,,则的值等于。3.下列结论正确的是()ABCD4.下列运算中,错误的是()①,②,③,④(A)1个(B)2个(C)3个(D)4个5.若,则的平方根是()(A)(B)(C)(D)6.若、为实数,且,则的值为()(A)(B)(C)或(D)7、若,且,则的值为()(A)(B)(C)(D)8.若一个正数的平方根是和,则,这个正数是;9.当时,有意义;当时,有意义;10.的最小值是________,此时的取值是________11.若能开偶次方,则的取值范围是()A.B.C.D.12.若为正整数,
2、则等于()A.-1B.1C.±1D.13.若正数的算术平方根比它本身大,则()A.B.C.D.5.填写>号和<号,6.化简:四、解答题1.已知:实数a、b满足条件试求:的值2.互为相反数,则=()3.=0,则x与y的关系为________4.已知M=是a+8的算术平方根,N=是b-3的立方根,则M+N的平方根为()在数轴上画出表示01.已知,求x+y+z的值.2.若x,y满足,求xy的值.3.求中的x.4.若的小数部分为a,的小数部分为b,求a+b的值.5.△ABC的三边长分别为a,b,c,且a,b满
3、足,求c的取值范围.一般现在时、一般过去式和一般将来时练习题一、用所给动词的适当形式填空。1.I______(watch)acartoononSaturday.2.______he_______(fly)akiteonSunday?Yes,he______.3.Helen____(milk)acowonFriday.4._______they________(sweep)theflooronSunday?No,they_____.5.Thestudentsoften_________(draw)somepi
4、cturesintheartroom.二、用动词的适当形式填空1.Ilike____________(swim).2.Mike________(go)toschoolatseveninthemorning.3.Mymother________(like)______(go)shopping.4.Ican________(draw)manybeautifulpictures.5.Doyou________(like)_________(run)?6.DoesNancy_________(grow)flower
5、sonSaturday?7.Theteachers________(like)___________(dance).8.Theteacher________(like)____________(dance).9.Thestudents___________(speak)Englishinclass.10.Thestudent_________(speak)Chineseafterclass.11.Let’s____________andplayfootball.(go)12.He_____________l
6、ikeswimming.(not)13.I’msorry____________that.(hear)14._________youstudyEnglishatschool?Yes,I___________.(do)15.__________yoursisterstudyEnglishatschool?No,she__________.(do)三、选择填空( )1. There__________ameetingtomorrowafternoon. A.willbegoingto
7、 B.willgoingtobe C.isgoingtobe D.willgotobe( )2. Charlie________herenextmonth. A.isn’tworking B.doesn’tworking
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