单选:下列关于卫星导航系统的表述不正确的是:A.GPS的信号强度与准度是可控的B.GPS是欧盟建立的卫星导航系统C.北斗导航系统是我国自主研发的卫 题目分类:公务员 题目类型:单选 号外号外:注册会员即送体验阅读点! 题目内容: 下列关于卫星导航系统的表述不正确的是:A.GPS的信号强度与准度是可控的B.GPS是欧盟建立的卫星导航系统C.北斗导航系统是我国自主研发的卫星导航系统D.“伽利略”导航系统是第一个基于民用的全球卫星导航系统 参考答案: 答案解析:
Never before in her life has Helen seen such beautiful and precious jewelry. Never before in her life has Helen seen such beautiful and precious jewelry. 分类:公务员 题型:单选 查看答案
Our textbooks are very different from theirs. Our textbooks are very different from theirs. 分类:公务员 题型:单选 查看答案
Please give this book to whoever comes first. Please give this book to whoever comes first. 分类:公务员 题型:单选 查看答案