题目: 热水锅炉采用锅内加药时,给水的总硬度应控制在不大于4mmol/L的范围内。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0813/4e92a36d1adebc200b561a06a5a2abf7.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:填空题 用方框中所给动词的正确形式填空。worry, ski, solve, invite, play,1.My parents never agreed ________ (invite) my classmates to our home.2.When something ________ (worry) my uncle, he always has a drink of wine in a bar.3.Don’t you think ________ (ski) is as dangerous as skating?4.I don’t know how ________ (solve) the maths problem. Can you help me?5.Look! How happily the children ________ (play) hide-and-seek over there! 查看答案
题型:单项选择题 某项目有关数据见下表所示,设基准收益率为10%,基准投资回收期为5年,寿命期为6年。计算结果保留两位小数,则该项目净现值和动态投资回收期分别为()。A.35.55万元4.75年B.35.95万元5.25年C.39.95万元4.75年D.39.55万元5.25年 查看答案