17、双绞线的制作分为平行线和交叉线。

17

PassageFourQuestions17to21arebasedonthefollowingpassage.DialogueisparticularlyeffectiveinteachingidiomaticEnglish.Weusethefollowingexercisewithstudentsatalllevels.Wepairupstudentsforthefirststageofwritingdialoguesandaskthemto"createascene."Theyhaveafewdaystothinkabouttheirsceneandtomeetwiththeirpartneroutofclass.Aftertheperiodofpreparation,thepairssitdownandworkouttheirdialoguealongwithitsscene.Theyusuallyprepareseveraldialogueswithsimilarcontentandthenhandinthebestonetotheteacher.Theteacherthenmeetsthepairstoexchangeideas,focusingonidiomaticlanguageuse.Thestudentsrevise(修改)untiltheirdialogueshaveanAmericanring.Asecondexerciseasksthestudentpairsto"produce"theirscenes,assigningtheirclassmembersascharactersandperhapsputtingtogethersomesimpleprops(道具).Sometimesoneclasswillpresentitsscenestoanotherclass.Weliketovideotapetheseproductionsforuseasteachingtools.Ingeneral,wehavefoundthatwritingdialoguebeforemovingintothespeakingstagehasmanyadvantagesandprovidesfeedback(反馈)fromtheteacherduringtheprocessofcreatingthescene.17.Theauthor,anEnglishteacher,askshisstudentstowritedialoguessothathisstudentscanbebetter__________.

PassageFourQuestions17to21arebasedonthefollowingpassage.DialogueisparticularlyeffectiveinteachingidiomaticEnglish.Weusethefollowingexercisewithstudentsatalllevels.Wepairupstudentsforthefirststageofwritingdialoguesandaskthemto"createascene."Theyhaveafewdaystothinkabouttheirsceneandtomeetwiththeirpartneroutofclass.Aftertheperiodofpreparation,thepairssitdownandworkouttheirdialoguealongwithitsscene.Theyusuallyprepareseveraldialogueswithsimilarcontentandthenhandinthebestonetotheteacher.Theteacherthenmeetsthepairstoexchangeideas,focusingonidiomaticlanguageuse.Thestudentsrevise(修改)untiltheirdialogueshaveanAmericanring.Asecondexerciseasksthestudentpairsto"produce"theirscenes,assigningtheirclassmembersascharactersandperhapsputtingtogethersomesimpleprops(道具).Sometimesoneclasswillpresentitsscenestoanotherclass.Weliketovideotapetheseproductionsforuseasteachingtools.Ingeneral,wehavefoundthatwritingdialoguebeforemovingintothespeakingstagehasmanyadvantagesandprovidesfeedback(反馈)fromtheteacherduringtheprocessofcreatingthescene.17.Theauthor,anEnglishteacher,askshisstudentstowritedialoguessothathisstudentscanbebetter__________.

17，在教育系统的诸多要素之中，最基本的要素是(）

17．Windows7有4个默认库，分别是视频、图片、()和音乐。

17．求男女生英语总分的操作属于操作。

17.Astudentofaverage()canalsobecomeatopstudentthroughhardwork.

（单选题）17.根据车船税法律制度的规定，下列选项中，不属于车船税征税范围的是（）。

（单选题）17.某产品由三道工序加工而成，原材料在每道工序之初投入，各工序的材料消耗定额分别为40千克、60千克和50千克，用约当产量比例法分配原材料成本，则第二道工序内的在产品的完工程度为（）。

（判断题）40.企业与客户签订合同，向其销售商品并提供安装服务，若该安装服务较为复杂且商品需要按客户定制要求修改，则该合同中销售商品和提供安装服务为两项单项履约义务。

免费送货、安装咨询等属于产品整体概念中的形式产品。（）

17.“我必须赢得这场比赛”、“老师必须对我好”反映了不合理信念的特点。

顶部大于3公斤的灯具、电扇、设备可以安装在吊顶工程的主龙骨上

17、当前盘当前目录下有数据库db_stock，其中有数据库表stock.dbf，该数据库表的内容是：股票代码股票名称单价交易所600600青岛啤酒7.48上海600601方正科技15.20上海600602广电电子10.40上海600603兴业房产12.76上海如果在建立数据库表stock.dbf时，将单价字段的字段有效性规则设为"单价>0"，通过该设置，能保证数据的______。