[填空题]“这个案件的凶手是甲或者乙,现已查明甲是这个案件的凶手,所以,乙不是这个案件的凶手.” 这一推理属于何种推理?是否正确?为什么
[问答题]轻型井点使用时,为什么一定要连续抽水
[判断题]用于公务接洽时向有关部门]介绍身份可出具证明信.( )
[单选题]直流电动机的电刷逆转向移动一个小角度,电枢反应性质为( ).A. 去磁与交磁B. 增磁与交磁C. 去磁D. 增磁
[填空题]新产品验收合格入库后,( )通知企划中心 ,企划中心设计 产品上市通知 ,并安排企划 网络管理员 在官网与 商学院网站 上发通知
[问答题]工业项目运营过程中的总费用按其经济用途与核算层次可分为( )、( )和
[单选题]Why did Spring sell his false autographs in England and Canada A) There was a greater demand there than in America.B) There was less chance of being detected there.C) Britain was Spring’s birthplace.D) The prices were higher in England and Canada.2. After the Civil War, there was a great demand in Britain for _________.A) southern moneyB) signatures of George Washington and Ben FranklinC) southern manuscripts and lettersD) Civil War battle plans3. Robert Spring spent 15 years __________.A) running a bookstore in PhiladelphiaB) corresponding with Miss Fanny JacksonC) as a forgerD) as a respectable dealer4. According to the passage, forgeries are usually sold to ___________.A) sharp-eyed experts B) persons who aren’t expertsC) book dealers D) owners of old books5. Who was Miss Fanny Jackson A) The only daughter of General “Stonewall” Jackson.B) A little-known girl who sold her father’s papers to Robert Spring.C) Robert Spring’s daughter.D) An imaginary person created by Spring.
[问答题]基于内容的图像检索关键技术有哪些
[填空题]添加场景是在菜单“( )”中
[填空题]简述学前儿童记忆发展的趋势
[名词解释]第三代诗人
[名词解释]十二律
[名词解释]工程量清单
[问答题]若随机变量X-U(0.3)则P{-1(X<2}=
[问答题]什么是PWM整流电路?它和相控整流电路和工作原理和性能有何不同
[单选题]“旧唯物主义是半截子的唯物主义”,这是指( )A. 旧唯物主义是形而上学的唯物主义B. 旧唯物主义在社会历史观上是唯心主义C. 旧唯物主义是机械唯物主义D. 旧唯物主义是割裂了运动与静止的辩证法
[问答题]写出五种常用的多媒体设备
[多选题]一台变压器在下列哪种情况下效率最高 ( ).A. β=1B. P0/PS=常数C. PCu=PF.D. S=SN
[填空题]已知主动轮A输入功率为80马力,从动轮B和C输出功率为30马力和50马力,传动轴的转速n=1400转/分,那么,各轮上的外力偶矩的大小分别为mA=____ ,mB=______, mC=______
[填空题]建设工程定额中的基础性定额是( ).
[名词解释]幼儿园健康教育内容