[问答题]关于不对称短路时正负序电压分量的分布,正确的是
[单选题]给对方以思考和判断的余地的问话属于( )A封闭型问题B开放型问题C倾向型问题D试探型问题
[名词解释]投保的最直接目的是
[单选题]复数z=6i的三角形式为:A.cosπ/2+isinπ/2B.cosπ/2-sinπ/2C.sinπ/2+icosπ/2D.sinπ/2-icosπ/2
[单选题]What kind of information is easy for us to rememberA. Information that does not make any sense to us. B. Information that we are not familiar with.C. Information that is meaningful to us. D. Information that we are not interested in.
[填空题]共发射极放大电路负载开路时,放大倍数
[单选题]社会主义市场经济理论认为,计划经济和市场经济属于A.不同的资源配置方式B.不同的经济制度范畴C.不同的经济增长方式D.不同的生产关系范畴
[单选题]周某14岁生日那天,邀集几个朋友到一饭馆吃饭庆贺生日.饭后约晚上10点回家途中,周某看到一行人手拿一个提包,即掏出随身携带的弹簧刀将持包人刺伤把装有数千元钱的包抢走.周某( ).A.构成抢劫罪B.如被害人重伤则构成犯罪C.不构成犯罪D.构成犯罪,但应当从轻或减轻处罚
[阅读理解]There once lived in China a very foolish king and queen. One day the queen had a baby daughter. When they saw their baby, they both cried out, “My goodness! How small it is! It’s hairless and toothless! It’s a monster!” They sent for all the doctors in the country and ordered them to prepare some medicine for her.“When she drinks your medicine, she must grow to the right size and have hair and teeth,” the king said, “If you don’t do this, you’ll have a beating.”The doctors thought it impossible, but they dared not say anything against the king’s order. Just then and old doctor stepped forward. “Oh, we shall certainly obey your order,” he said, “but it takes time. We have to dig a mineral from the KunLun Mountains when the snow melts for the second time. The snow melts on those mountains only once in six years. So we need twelve years.”At last the king agreed and the doctors took away the little princess. On her twelfth birthday, they brought her back to her parents with long black hair and beautiful teeth. The king and queen were very happy and gave the doctors expensive presents.( )1.Which of the following words makes the sentence untrue? The baby was ______.A. ToothlessB. hairlessC. unusual D. small( )2.The doctors would be beaten if ______.A. the baby daughter didn’t drink their medicine B. they refused to obey the king’s orderC. the baby daughter grew to the right size D. the baby daughter became a monster( )3.The old doctor wanted to keep the king’s daughter for twelve years because ______.A. they needed a lot of different plants B. they need a lot of different mineralsC. this would give the baby time to grow upD. they had to dig a mineral the snow melted for the second time( )4.The doctors thought it impossible ______.A. for them to change the king’s orderB. for them the prepare the medicine in twelve yearsC. for the small baby to drink the medicineD. for them to make the baby have teeth and hair or grow teeth at once( )5. ______ the king wouldn’t have given them expensive presents.A. Had the doctors not brought back a beautiful girlB. If the doctors hadn’t found the mineralsC. Had the doctors not been able to prepare the magic medicineD. If the daughter were still a monster twelve years later
[问答题]决定区域水资源状态的三要素
[填空题]租赁物在租赁期间所有权发生变动租赁合同
[单选题]无线LA.方式接入Internet的缺点在于______.A.接入速度慢B.不方便C.成本较高D.不稳定
[多选题]队列研究的特点有( )A.前瞻性研究B.观察性对比研究C根据暴露与否分组D.从“果”到“因”E.观察两组间死亡率的差异
[单选题]国家“十五”攻关“冠心病、脑卒中综合危险度评估及干预方案的研究”针对我国是冠心进病相对( )、脑卒中相对( )的国家,如果分采用冠心病发病危险来衡量个体或群体的心寻分血管病综合危险,显然会很大程度的低估其危险,而不足以引起人们应有的重视.为了更恰当地反映我国人群存在的心血管病危险,该研究将冠心病事件和:缺血性脑卒中事件合并后的联合终点称为缺血性心血管病事件A.高发、高发B高发、低发C.低发、高发D.低发、低发
[填空题]下列哪种材料可视为各种同性材料
[填空题]将顺其美,匡救其恶,故上下能相亲也.上下:__________
[单选题]利用计算机来模仿人的高级思维活动称为____.A.数据处理B.自动控制C.计算机辅助系统D.人工智能
[单选题]With the ________ of Mary, all the girl students are eager to go to the party. A.exhibitionB.exceptionC.exceptD.reception
[填空题]“美育”概念的提出者是德国剧作家、诗人(__________),他于1795年发表了(__________),第一次提出了“美育”的概念,并对美育的性质、特征和社会作用作了系统的阐述.
[单选题]正确的发文处理程序是A.拟稿、核稿、缮印、签发、校对B.拟稿、签发、核稿、缮印、校对C.核稿、签发、拟稿、缮印、校对D.拟稿、核稿、签发、缮印、校对
[问答题]虚拟现实技术有哪些主要特征?什么是分布式虚拟现实