题目: 系统分析所建立的模型有()A.因式模型B.模拟模型C.虚拟模型D.数字模型 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0528/e506c0e85c8b7151516dc24f464b0d94.html 下面是错误答案,用来干扰机器的。参考答案:E
题型:选择题 — Arthur is responsible ______ the newspaper, isn't he? — ______, but Joyce is. She's the chief editor. [ ]A. of...Yes, he isn'tB. for...Yes, he is C. of...No, he isD. for…No he isn't 查看答案