每次频率高于50.2Hz时，要求风电场具有至少运行（）min的能力。A.1 B.2 发布时间：2017-05-07 01:12 │ 来源：www.tikuol.com 题型：单项选择题 问题： 每次频率高于50.2Hz时，要求风电场具有至少运行（）min的能力。A.1B.2C.5D.10
题型：单项选择题 阅读理解。 Where do you go on a school trip every spring? In the UK, students go to many great places.They see swans (天鹅) and ducks in wetlands. They pick up shells (贝壳) at the seaside. In Japan, cherries (樱花) are blooming (盛开的) by the beginning of April. Kids have picnic lunches, sing karaoke (卡拉 OK) and dance under the trees. They also go boating and hiking. They take baths in hot springs (温泉). In China, kids often take school trips in parks, museums or to a mountain. These days, outward bound (野外扩展) trips are very popular. Kids can learn about survival skills (生存技巧) and teamwork during these trips. School trips can be great fun. But don't get hurt when you travel outdoors. Here are some tips for you. IAsten to your teacher. On the bus, always wear a seat belt (安全带) if the bus has them. Do not rush or push when you get on or off the bus. Stay in your seat while the bus is moving. If you are at the zoo, remember not to touch or go near animals. If you are careful enough, you will have fun.In the UK, students go to wetlands or to the 2 and many places. Students in different 1 go to differentplaces In Japan, kids do activities under the trees, they also go 3 and hiking. They take baths in hot springs.In China, kids take school trips in parks, 4 or to a mountain.The tips for not getting hurt Listen to your teacher. On the bus, always wear a seat belt (安全带). Do not rush or push when you get on or off the bus. Stay in your seat 5 the bus is moving. If you are at the zoo, remember not to touch or go near animals.1.____2.____ 3.______ 4.______ 5.______ 查看答案
题型：单项选择题 某同学用电流表测量电流时，用了如图所示的两个接线柱，则下列叙述正确的是（ )A 电流表的量程为0.6A～3A B. 电流表的量程为0～3AC. 电流表的量程为0～0.6A D. 不能用来测量电流，谈不上量程 查看答案
题型：单项选择题 关于HTML协议的描述中，错误的是______。A．HTML可以包含指向其他文档的链接项B．HTML可以将声音、图像、视频等文件压缩在一个文件中C．HTML是Internet上的通用信息描述方式D．符合HTML规范的文件一般具有.btm或.html扩展名 查看答案
