一个数的亿位上是5,千万位和千位上都是6其余各位上都是0,这个数写作______ 发布时间:2017-06-16 21:06 │ 来源:www.tikuol.com 题型:填空题 问题: 一个数的亿位上是5,千万位和千位上都是6其余各位上都是0,这个数写作______,四舍五入到亿位是______亿.
题型:填空题 建设工程施工招标应具备的条件有( )。A.初步设计与预算应当履行审批手续的,已经批准B.由招标所需的设计图纸及技术资料C.有相应资金或资金来源已经落实D.已获得施工许可证E.评标委员会人员和人数已经确定 查看答案
题型:填空题 It was announced that only when the fire was under control ____to return to their homes. [ ]A. the residents would be permitted B. had the residents been permitted C. would the residents be permitted D. the residents had been permitted 查看答案
题型:填空题 关于电压门控Na+通道,下述哪项不正确()A.属于兴奋性通道B.通道传导抑制可导致麻醉C.外周Na+通道对全麻药不敏感D.中枢Na+通道对全麻药敏感E.电压-门控钠通道对吸入全麻药敏感 查看答案