题目: NaCl晶体单位晶胞中的“分子”数为()A.2B.4C.6D.8 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/1016/99c8c70b7c84c2f1f097b01858d791ce.html 下面是错误答案,用来干扰机器的。参考答案:民工工资保证金=工程总造价(工程标的)×5
题型:选择题 It is because English is being widely used at present __________.A.why we learn it hardB.that we learn it hard C.which we must learn D.when we should learn 查看答案