更多“发电机的有功功率和无功功率称为()。”相关的问题
毛细血管脆性试验阳性可见于下列疾病，但除外（）
A . 血友病
B . 过敏性紫癜
C . 血小板无力症
D . 血小板减少性紫癜
E . 遗传性出血性毛细血管扩张症
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《天河配》这一戏曲讲述的是我国古代四大传说中的哪一传说：（）
A.孟姜女传说 B.白蛇传说 C.梁祝传说 D.牛郎织女传说
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患者男性，75岁，突发意识丧失。预防猝死的方法不包括（）
A . A.8受体阻滞剂
B . 硝酸甘油
C . 埋藏式心脏复律除颤器
D . PTCA支架术
E . 冠状动脉搭桥手术
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Double Income and No Kids (DINK) becomes fashionable in China. The DINK couples are usually regarded as those who have higher educations and 【31】 careers with higher incomes. The increase in DINK families has shattered the Chinese traditional idea of the family and 【32】 typical. A survey conducted recently in Beijing by a market survey company 【33】 that about 33 percent of the 1,300 surveyed families in Beijing said they have 【34】 plans to have children. It is estimated there about 600,000 DINK families in large cities like Beijing, Tianjin, Shanghai, Shenzhen and Chongqing. Why they choose such a lifestyle is concluded in 【35】 reasons. Some are showing great worry for the rapid growth of population; some are indulged in building a more well-off family; some are showing sharp 【36】 to get themselves free from the obligation of raising children. 【37】 , most people still believe it is necessary to bear a child to keep the family line on. As an old Chinese saying goes: There are three aspects in failing to be a filial son and the 【38】 serious one is to have no heir for the family. So, childless couples will suffer discrimination 【39】 family members and neighbors. But it is clear that the new tide of ideas has come, which suggests young people 【40】 to choose their own way of life. They are instilling modern ideas into traditional families and society. In the modernization process, personal choices will be highly respected.
A．stableB．availableC．achievableD．liable
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放射性活度单位贝克勒尔(BQ)与居里(Ci)之间的关系为A.1Bq=2.709×10－11CiB.1Bq=1.709×10－11CiC.1B
放射性活度单位贝克勒尔(BQ)与居里(Ci)之间的关系为 A.1Bq=2.709×10-11Ci B.1Bq=1.709×10-11Ci C.1Bq=2.709×10-10Ci D.1Bq=1.709×10-12Ci E.1Bq=2.709×10-12Ci
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营养不良小儿的治疗原则主要有（）
A.调整饮食、补充营养外机、物质 B.治疗原发病 C.促进消化和改善代谢功能 D.早期使用广谱抗生素防止感染
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负责客人的预订登记和接待服务，按照客人的要求提供（）的服务。
A.周全
B.热情
C.耐心
D.微笑
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His business prospered and he became a person of means. Yet, despite his great riches, he gave no
A. had contributed
B. contributed
C. were contributed
D. did contribute
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最能反映出孙犁艺术境界追求的作品是（）
A.《嘱咐》
B.《芦花荡》
C.《荷花淀》
D.《村歌》
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直接经验和间接经验的关系是
A．第一性和第二性的关系
B．“源”和“流”的关系
C．感性认识和理性认识的关系
D．实践和认识的关系
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行书日常使用最多为几行行书（）.
A.六行 B.八行 C.四行 D.七行
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乘车时你前面排队的人突然倒在地上，此时你处置的顺序为①检查患者呼吸②求救③检查患者反应④检查患者脉搏⑤就地CRP（）
A.①②③④⑤
B.②③①⑤④
C.③②①④⑤
D.④①③②⑤
E.①②⑤③④
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作为港口与航道工程大体积混凝土防裂措施，无筋或少筋大体积混凝土中宜埋放块石，块石的埋放应控制（）等几个方面。
A.块石的质地和形状
B.块石的放置方式
C.块石间的净距
D.块石与混凝土结构表面的距离
E.块石的湿度
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符合3G技术特点的有（）
A . A、采用分组交换技术
B . B、适用于多媒体业务
C . C、需要视距传输
D . D、混合采用电路交换和分组交换技术
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