若产生主动土压力为Ea,被动上压力为Ep,所需的档土墙位移量分别为[img=92x75]17d60b0bebdef4a.png[/img]、[img=92x86]17d60b0bfda22a6.png[/img],则下述()是正确的。
未知类型:{'options': ['Ea<Ep,[img=92x75]17d60b0c12ddd43.png[/img]>[img=92x86]17d60b0bfda22a6.png[/img]', 'Ea>Ep,[img=92x75]17d60b0c12ddd43.png[/img]<[img=92x86]17d60b0c25fbe0a.png[/img]', 'Ea>Ep,[img=92x75]17d60b0bebdef4a.png[/img]>[img=92x86]17d60b0bfda22a6.png[/img]', 'Ea<Ep,[img=92x75]17d60b0c12ddd43.png[/img]<[img=92x86]17d60b0bfda22a6.png[/img]'], 'type': 102}
未知类型:{'options': ['Ea<Ep,[img=92x75]17d60b0c12ddd43.png[/img]>[img=92x86]17d60b0bfda22a6.png[/img]', 'Ea>Ep,[img=92x75]17d60b0c12ddd43.png[/img]<[img=92x86]17d60b0c25fbe0a.png[/img]', 'Ea>Ep,[img=92x75]17d60b0bebdef4a.png[/img]>[img=92x86]17d60b0bfda22a6.png[/img]', 'Ea<Ep,[img=92x75]17d60b0c12ddd43.png[/img]<[img=92x86]17d60b0bfda22a6.png[/img]'], 'type': 102}
举一反三
- 函数f(x)=[img=40x76]17e0bf8d391c13e.png[/img]的不连续点为( ) 未知类型:{'options': ['x=0', ' x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)', ' x=0和x=2kπ(k=0,±1,±2,…)', ' x=0和x=[img=43x39]17e0bf8d4513730.png[/img](k=0,±1,±2,…)'], 'type': 102}
- 以下4个集合中是空集的是() 未知类型:{'options': ['{X|[img=28x38]17da5873b8265d2.png[/img]-1=0}', ' {X|X-1=0}', ' {X|[img=28x39]17da5873d47c123.png[/img]=0}', ' {X|[img=28x39]17da5873d47c123.png[/img]+1=0}'], 'type': 102}
- 下列4个集合中是空集的是() A: {x|[img=18x22]1802f060e2f728f.png[/img]+1=0} B: {x|[img=18x22]1802f060e2f728f.png[/img]<-x} C: {x|[img=18x22]1802f060e2f728f.png[/img]=0} D: {x|[img=18x22]1802f060e2f728f.png[/img]-1=0}
- 下列4个集合中是空集的是() A: {x|[img=18x22]1803d021d498831.png[/img]+1=0} B: {x|[img=18x22]1803d021d498831.png[/img]<-x} C: {x|[img=18x22]1803d021d498831.png[/img]=0} D: {x|[img=18x22]1803d021d498831.png[/img]-1=0}
- 下列4个集合中是空集的是() A: {x|[img=18x22]1803d0240bcad39.png[/img]+1=0} B: {x|[img=18x22]1803d0240bcad39.png[/img]-x} C: {x|[img=18x22]1803d0240bcad39.png[/img]=0} D: {x|[img=18x22]1803d0240bcad39.png[/img]-1=0}