通常,边际贡献是指产品边际贡献,即销售收入减去生产制造过程中的变动成本和销售、管理费 发布时间:2017-07-15 03:33 │ 来源:www.tikuol.com 题型:判断题 问题: 通常,边际贡献是指产品边际贡献,即销售收入减去生产制造过程中的变动成本和销售、管理费用中的变动费用之后的差额。 ( )
题型:判断题 下列关于孝敬父母的说法正确的有[ ]①孝敬父母就是子女对父母的尊重、侍奉和赡养②孝敬父母是古代的愚孝,是盲目的顺从③孝敬父母是在平等基础上对父母的尊敬和侍奉④孝敬父母是在当代道德和法律基础上对父母辛勤劳动和养育之恩的报答⑤如果父母做出不道德的事,我们要勇于批评和制止,这也是孝的表现⑥如果父母触犯法律,我们要宽恕、包庇其违法行为,否则是不孝的表现A、①③④⑤ B、①②④⑥ C、①②③④ D、③④⑤⑥ 查看答案
题型:判断题 用方框中所给单词的适当形式填空use, interest, terrify, on. airplane, sleep, fly, be1. When I was in a primary school, I_________to play table tennis.2. —Did you use to be_________of being alone? —Yes,I did.3. I went to bed very early last night, but I didn't go to_________until midnight.4. I am never afraid of flying in an_________.5. The child is afraid of the dark, so he goes to sleep with his bedroom light________6. —Are you more_________in playing football or playing the guitar? —Playing football.7. My father often goes to Shanghai by train but last week he_________there.8. Little Tom is afraid of_________alone, so he follows his mother here and there. 查看答案
题型:判断题 在已调平的托盘天平两边各放一只等质量的烧杯,向烧杯中各加入质量相等、质量分数相等的稀硫酸,然后在左右两盘的烧杯中分别放入等质量的铁粉和锌粒.下列现象不可能观察到的是( )A.只有锌粒有剩余B.天平指针最终偏向放锌粒的烧杯一边C.只有铁粉有剩余D.天平指针开始时偏向放铁粉的烧杯一边 查看答案