导航:题目详情 | 答案解析 | 相关问题 | 最新问题 【C19】A.rateB.speedC.frequencyD.ratio 学历类 2018-03-21 21:43:21 在职攻硕英语 已帮助 人 【C19】A.rateB.speedC.frequencyD.ratio请帮忙给出正确答案和分析,谢谢! 热搜:a是b的充分条件,b是a的必要条件吗 答案解析 难度★★☆ 搜索 正确答案:Abirthrate“出生率”,是固定搭配。 相关问题 1、Propeller running at ____ are generally efficient.A.high speedsB.medium speedC.low speedsD 2017-04-11 2、____________ 查看材料A.rateB.motionC.systemD.disease 2017-06-29 3、The government must increase the______of reforms to avoid further bloodshed.A.rateB.paceC. 2017-08-18 4、Many people complain of the rapid______of modem life.A.rateB.speedC.paceD.growth 2018-01-30 5、The exchange______of the pound has fallen against the dollar.A.rateB.floatC.currencyD.amou 2018-04-21 6、A.pressureB.speedC.levelD.flow 2019-10-13