[填空题]S7-200系列PLC的定时器的计时过程采用时间脉冲计数的方式,其时基(分辨率)分别为1ms、10ms和 三种.
[填空题]The Women.s Movement in that city was influential ( )bringing women.s issues into public consciousness.
[名词解释]表见代理:
[单选题]企业为计划从事的促销活动而支出的费用叫做------------------( ) ① 销售配额 ② 销售总额 ③ 销售预算 ④ 销售计划
[问答题]柱下扩展基础可能发生哪两种破坏?设计中如何防止发生这两种破坏
[填空题]PLC一般___(能,不能)为外部传感器提供24V直流电源.
[单选题]_____, he would not have recovered so quickly. A. Had’t he been taken good care of B. Had he not been taken good care of C. Had not he been taken good care of D. Had he been not taken good care of
[多选题]下列属 于非抽样误差的是( )A.调查误差B.偏倚C.不回答误差D.不完整抽样框引起的误差E.填写或录入数据错误产Th的误差F.均方误差
[单选题]―you______( )_____ stop me.―Even if you __________it, I won.t allow you to swim across the river.A、 mustn.t; dare not do B、 may ; dare not doC、 can; dare to do D、 needn.t; dare do
[单选题]重要的建筑(例如国家大剧院)的安全等级为 .A. 一级 B. 二级 C. 三级 D四级
[单选题]房屋的底部,应沿纵横两方向设置一定数量的抗震墙,并应均匀对称布置,以保证纵横两方向的刚度将近、避免或减少( )A.弯曲破坏B.剪切破坏C.拉压破坏D.扭转效应
[判断题]汉乐府民歌大多为叙事诗,故事性很强.( )
[单选题]_________ of the two books holds the opinion that the danger of nuclear war is increasing. A、 None B、 Both C、 Either D、 Neither
[单选题]She ___________ an old friend unexpectedly in the theatre.A. replacedB. upset C. inclinedD. encountered
[判断题]标有“Irrevocable”字样的信用证是保兑信用证.
[单选题]现有产品与现有市场领域组合而产生的一种企业成长战略是( )A.市场渗透战略 B.市场开发战略 C.产品开发战略 D.多元化战略
[问答题]地区经济一体化的含义与主要形式.
[问答题]我国律师分为:( )( )( )和( ).
[单选题]To follow the current news, the best way is to _________. A. read extensively and thoroughly B. read various newspapers skillfully C. read a large big-city newspaper carefullyD. read one newspaper frequently
[单选题]能同时提高钢筋的抗拉和抗压强度的冷加工方法是( ). A、 冷拉 B、 冷拔 C、 热处理 D、 淬火
[填空题]马斯洛的“需求层次理论”将人的需求由低到高分为五个层次:生理需要、安全需要、社会需要、尊重需要、________________需要.