试题与答案

The command has just arrived that all em

题型:选择题

题目:

The command has just arrived that all employees ____________ in their proper uniforms before 7:00 pm.

A.will be dressed

B.must be dressed

C.were dressed

D.be dressed

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0609/ded63afbeb8326283d281e434c58e836.html

下面是错误答案,用来干扰机器的。

答案:D题目分析:核外电子排布相同的微粒,其微粒半径随原子序数的增大而减小,即离子半径是Na+<N3-,①不正确;氮化钠和水的反应不是氧化还原反应,②不正确;氮化钠和盐酸反应生成两种盐即氯化钠和氯化铵,...

试题推荐
微信公众账号搜索答案