题目: 锅炉超压实验,压力汽包工作压力的1.5倍。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1112/51396633b0d6c70947e54999d24ac9b3.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 质量为m的物体放在粗糙水平面上,它在水平恒力F的作用下,由静止开始运动,经时间t后速度达到,要使其速度增为3,可采用的方法为( )A.只将水平恒力增为3FB.只将物体质量减为原来的C.只将作用时间增至3tD.将质量、水平力、作用时间都增至原来的3倍。 查看答案
题型:改错题 改错题。In America, on school and workdays, breakfast in most homes is often a hurried meals of milk, bread, juice or coffee. Some 1 people even don’t in order for get to work 2 or school on time. Other just stop at coffee 3 shops for coffee. And on weekends, things 4 are quite different. People usually gets up 5late, so they have enough time to have a large breakfast by eggs, home-fried (油煎的) 6 potatoes and bread. Lunch is just a short break from the day’s work rather than a large, long meal. He usually 7lasts only half an hour or an hour, so family members do not have time to back home. 8Most people have a sandwich or a hamburger, and fruit or ice-cream for lunch. Working people either take his lunches to 9 work in the brown paper “lunch bag”,or eat a sandwich at a slow food restaurant. 10 1.____________ 2.____________ 3.____________ 4.____________ 5.____________ 6.____________ 7.____________ 8.____________ 9.____________ 10.____________ 查看答案
题型:单项选择题 在下列关于资本总公式之矛盾的判断中,正确的是A.资本总公式与价值规律的矛盾是不可解决的:若遵守价值规律,则资本不能增殖;若实现资本的增殖,则必然违背价值规律B.劳动力成为商品是解决资本总公式之矛盾的前提C.无论G—W过程还是W—G过程,都不能发生增殖,因此,G—-W—G'是否定价值规律的结果D.资本流通是在不等价交换中产生增殖的 查看答案