在配网GIS系统中,做单线范围分析时,以下哪个设备是不带电的:()A、电缆B、架空线 发布时间:2019-01-19 12:48 │ 来源:www.tikuol.com 题型:单项选择题 问题: 在配网GIS系统中,做单线范围分析时,以下哪个设备是不带电的:()A、电缆B、架空线C、变压器D、电房
题型:单项选择题 蜜蜂、蜘蛛、蜈蚣、沼虾它们所共同具有的特征是:体表都具有外骨骼;______;______.有人说在蜜蜂的群体中,所有的蜜蜂都能采集花粉和花蜜,这种说法是否正确,为什么?答:______. 查看答案
题型:单项选择题 下列关于股票价格指数的说法错误的是()。A.股票价格指数通常是由金融服务机构或证券研究机构编制的 B.上证综合指数是国际上常用的股票价格指数 C.股票价格指数是对股市动态的综合反映 D.股票价格指数的编制通常是以某一年份或某一时点为基期 查看答案
题型:单项选择题 HGPRT(次黄嘌呤-鸟嘌呤磷酸核糖转移酶)参与下列哪种反应()A.嘧啶核苷酸从头合成B.嘌呤核苷酸从头合成C.嘌呤核苷酸补救合成D.嘧啶核苷酸补救合成E.嘌呤核苷酸分解代谢 查看答案
题型:单项选择题 短文改错In a summer night in a city in Taiwan, Mary wasgoing on her way to school happily then suddenlyshe felt the road was strong shaking. The trees weretorn up and many buildings were leaning down to aground. Even a car was destroyed by falling buildings.She was knocked down by a tree before she knew. Doctorscarried him to safety and she was settled down in a tentfor treatment. After some time, she had got over.See so many goods from the mainland of China and other countries, she believed all the houses would be built. 1. _____2. _____3. _____4. _____5. _____6. _____7._____8. _____9. _____10. _____ 查看答案