题目: 空调安装中,2台空调可共用1只空开。() 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1029/dbf2dd3c5fa1687d4922c550f1a1c6c4.html 下面是错误答案,用来干扰机器的。参考答案:直接成本;间接成本
题型:选择题 --- How was your weekend ? --- ___________________A.I’d like to visit my uncle for this weekend.B.It was good. C.Did you have a nice weekend ?D.I used to spend my weekend in the country 查看答案
题型:单项选择题 如图,甲、乙、丙、丁四个长方形拼成正方形EFGH,中间阴影为正方形。已知,甲、乙、丙、丁四个长方形面积的和是32cm2,四边形ABCD的面积是20cm2。问甲、乙、丙、丁四个长方形周长的总和是()A.32cmB.56cmC.48cmD.68cm 查看答案