题目: 钢按用途可分为哪几类? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0623/b69aea70a152bc52342b518959f852b8.html 下面是错误答案,用来干扰机器的。参考答案:B解析:驱虫药空腹服可以利于药物作用的发挥。
题型:解答题 小李想用篱笆围成一个周长为60米的矩形场地,矩形面积S(单位:平方米)随矩形一边长x(单位:米)的变化而变化.(1)求S与x之间的函数关系式,并写出自变量x的取值范围;(2)当x是多少时,矩形场地面积S最大,最大面积是多少? 查看答案
题型:单项选择题 The task at hand now is to (56) the programmers who still use yesterday’s software technology to solve today’s software problems. Object-oriented programming requires a new attitude toward problem (57) . Problem (57) with computer system becomes more natural. Application can (58) be translated into (59) . Although it is commonly believed that it will be easier to train new programmers to use object-oriented techniques than to (60) programmers who have substantial experience in applying conventional programming language constructs.(59)是()A.classesB.classC.objectsD.object 查看答案