要使幻灯片在放映时能够自动播放,需要为其设置______。

演示文稿中每张幻灯片都是基于某种______创建的,它预定义了新建幻灯片的各种占位符布局情况。

演示文稿的基本组成单元是________。

将一个幻灯片上多个已选中自选图形组合成一个复合图形，使用

将演示文稿中，所有幻灯片在放映时切换效果设置为"随机切换效果"，正确的操作为：

绘制图形时按()键图形为正方形

幻灯片浏览视图下不能________。

表格的底纹可选用下列哪些效果？

表格可以进行下列哪些设定？

幻灯片的自定义动画包含以下________。

下面有关组合图形的说法不正确的是________。

II.Choosetherightanswerforeachsentence.Youdon'tneedtopickmeupathometomorrowmorning,Marryhas____todrivemetowork.

VI.Completethefollowingsentenceswithappropriatewordsfromtheboxbelow.Youmaynotuseanyofthewordsmorethanonce.Theword“culture”comesfromtheLatin“colere,”which__41__means“tocultivate.”Inotherwords,itreferstoanythingthatis__42__orlearnt,ratherthaninstinctiveornatural.Amonghumanpopulations,culturenotonlyaffectsthewaywelive,butalsowritesitselfintoourgenes,affectingwhoweare.Forinstance,havingspentmany__43__huntingthefatmarinemammalsoftheArctic,theEskimosofGreenlandhavedevelopedcertaingenetic__44__thathelpthemdigestandutilizethisfat-richdiet,therebyallowingthemto__45__intheircoldclimate.

ThecenterofAmericanautomobileinnovationhasinthepastdecademoved2,000milesaway.Ithas__41__fromDetroittoSiliconValley,whereself-drivingvehiclesarecomingtolife.InabidtotakeproductionbacktoDetroit,Michiganlawmakershaveintroduced__42__thatcouldmaketheirstatethebestplaceinthecountry,ifnottheworld,todevelopself-drivingvehiclesandputthemontheroad.“Michigan’s__43__inautoresearchanddevelopmentisunderattackfromseveralstatesandcountrieswhichdesireto__44__ourleadershipintransportation.Wecan’tletthathappen,”saysSenatorMikeKowall,thelead__45__offourbillsrecentlyintroduced.

ThecenterofAmericanautomobileinnovationhasinthepastdecademoved2,000milesaway.Ithas__41__fromDetroittoSiliconValley,whereself-drivingvehiclesarecomingtolife.InabidtotakeproductionbacktoDetroit,Michiganlawmakershaveintroduced__42__thatcouldmaketheirstatethebestplaceinthecountry,ifnottheworld,todevelopself-drivingvehiclesandputthemontheroad.“Michigan’s__43__inautoresearchanddevelopmentisunderattackfromseveralstatesandcountrieswhichdesireto__44__ourleadershipintransportation.Wecan’tletthathappen,”saysSenatorMikeKowall,thelead__45__offourbillsrecentlyintroduced.