Direction:Putthefollowingsentencesintherightordertoformacompletecause-effectparagraphaboutthetopic:TheCauseofSmokingforTeenagers.1.Itisnotuncommontoseeteenagerssmokingtoday.2.Whentheyseesomeoftheirfriendssmoking,theyfeelthepressuretotryitoutinorderto“fitin”withthecrowd.3.Someotherteenagerssmokebecausetheywanttoimitateadultsorappeartobemature.4.Someofthemsmokebecauseofpeerpressure.5.Teenagersliketoimitatetheirfavoritestarsandadultsaroundthem.6.So,parentswhosmokemaysetabadexamplefortheirchildren.7.Inconclusion,thecausesofteenagersmokingcanbeattributedtopeerpressureandtheirintentiontolooklikeadults.Thecorrectorder:________

Direction:Putthefollowingsentencesintherightordertoformacompleteproblem-solvingparagraphaboutthetopic:HowtoSucceedinCollege.1.Withthepassions,theopportunities,andtheabilitytotakeresponsibilities,youwillbecomesuccessfulnotonlyincollege,butalsoinyourfuturecareer.2.Therearesomethingsyoucandotosucceedincollege.3.Secondly,neverletgoofanyopportunitiesthatcomeyourway.4.Firstly,pursuepassion.5.Collegeisfullofuniqueopportunities,whichwillenableyoutosamplenewthingsandmeetwonderfulpeople.6.Lastly,takeresponsibilities.7.Yourpassionswillbroadenyourmindandmakeyourlifeinteresting.8.Incollegeyoumustlearntoberesponsibleforyourowndecisionsandactions.Thecorrectorder:________

Whatdoestheauthormeanbysaying“moneyisknown…tobringarelationshiptoitsknees”(Line1,Para.2)?

2.Irelandisthe________islandoftheBritishIsles.A.largestB.second-largestB.third-largestDfourth-largest

2.InChapter39,Laozisays:HeavenobtainstheOneandbecomesclear.EarthobtainstheOneandbecomestranquil.What’sthemeaningof"theOne"here?

2.Tohesitateinmakingadecisionistoeattightly.()

2.TraditionalChinesemedicineholdsthatthereexistmeridiansinthehumanbody.()

2.Chinesearchitecturebelongstocivilization.

程序设计的发展历程按照发展顺序排序是：（1）汇编语言（2）机器语言（3）高级语言（4）面向对象的高级语言

一均匀带电直线长为$L$，线电荷密度为$lambda$。试求直线的延长线上距$L$中点为$r(r>L/2)$处的场强

（接上题）(2)该球面的半径为:

两共轴的导体圆筒的内、外筒半径分别为$R_1$和$R_2$（$R_{2}$<$2R_1$）。其间有两层均匀电介质，分界面半径为$r_0$。内层介质相对介电常量为$epsilon_{r1}$，外层介质相对介电常量为$epsilon_{r2}$，$epsilon_{r2}=epsilon_{r1}/2$。两层介质的击穿场强都是$E_{max}$，试问（1）当电压升高时，哪层介质先击穿？

（接上题）（2）两筒间能加的最大电势差为多大？

（接上题）(2)图(b)$P$点的磁感应强度$B$的大小和方向：

一无限长薄壁金属筒，沿轴线方向有均匀电流流通，面电流密度为$jA/m^2$。问单位面积筒壁受的磁力的大小是：