CRH1动车组直流环节的过高电压超过()时,由OVP电路释放。A.1900V B.1 发布时间:2017-11-27 19:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: CRH1动车组直流环节的过高电压超过()时,由OVP电路释放。A.1900VB.1950VC.1800VD.1650V
题型:单项选择题 近年来,国际上悄然吹起了一股温和之风,“伙伴关系”屡见报端。冷战时期的那种两极对立、剑拔弩张的气氛,正在向一种“碰撞中磨合”“竞争中协调”的新型国际关系中演变。这种变化[ ]A.表明国际政治多极化新格局已经建立起来B.中国的“和平崛起”理念得到了两方支持C.国际恐怖主义受到了很大的遏制D.反映出主权国家或集团对外政策的务实调整 查看答案
题型:单项选择题 阅读短文,根据所读内容, 在下表中的空格处填上适当的单词或短语, 每空不超过3个单词。Cloning has caused much debate..On the one hand , some scientists think valuable tissues and organs can be used to save human lives .On the other hand , some fear that mankind may produce a monster .Carter: I believe that human cloning is totally immoral . If we interfere with nature, we will have to deal with the consequences .Who knows what could happen? We could produce a monster .Human life would no longer be unique .Human race is using up Earth’s resources . Surely we should be having fewer babies in order to reduce Earth’s population , not cloning more .I feel sorry for ladies who cannot have babies ,but there are many children with no parents ,who would be delighted to have new parents . Ladies who cannot have babies can adopt children with no parentsJake :I think cloning is fantastic. It is a great scientific advance. After all ,scientists have been challenging questions of morality for centuries .On a personal note ,cloning will change my life .My daughter died of heart failure 7 years ago .I miss her very much and hope to clone a new daughter to be with me .That would be nice. .Cloning has小题1:__________ much debate小题2:________sidesSome scientists think valuable tissues and organs can be used to 小题3: ______ the body parts of people who have deadly disease.I believe that human cloning is 小题4:____________ immoralIf we 小题5:________ with nature ,we may have to deal with 小题6:____________.Human is 小题7:_____________Earth’s resources. Ladies who cannot have babies can 小题8:____________ children with no parents 小题9:_______sidesI think cloning is wonderfulIt is a great小题10:___________ advance. Personally, I want to have a cloned girl. 查看答案
题型:单项选择题 在繁华的都市,摩天大楼、城市雕塑、主题乐园、音乐喷泉、先锋美术馆、体育馆等构成了都市人的文化消费景观;在乡镇,人们利用闲暇时间、赶集和民间传统节日,开展庙会、社戏等丰富多彩的文化活动;在偏远和山区。对山歌、赛马等文化活动更具有浓郁的乡土气息。这一切都表明 [ ]A、地域性和乡土性是文化生产和消费的最重要特征B、不同区域、不同的自然环境,有不同特色的文化环境 C、文化的生存和繁衍是封闭的、独立的 D、文化的存在毫无规律可循 查看答案
题型:单项选择题 企业收到已预付贷款9000元的材料一批,有关单据列明应付货款7800元,外地运费300元,增值税1400元,材料验收入库,预付款不足部分尚未支付。该项业务入账时的借方帐户及金额是()。A.“材料”8100元B.“材料”7800元C.“材料”9500元D.“应付帐款”500元E.“应交税金——应交增值税”1400元 查看答案