如果向北走2米记作+2米,那么-3米表示[ ] A.向东走3米 B.向南走3米 发布时间:2017-04-03 17:23 │ 来源:www.tikuol.com 题型:选择题 问题: 如果向北走2米记作+2米,那么-3米表示[ ]A.向东走3米 B.向南走3米 C.向西走3米 D.向北走3米
题型:选择题 Which of the following descriptions of the Enlightenment Movement is NOT correctA. The movement flourished in France.B. The movement was a furtherance of the Renaissance.C. The purpose of the movement was to enlighten the whole world.D. The purpose of the movement was to enhance the religious education. 查看答案
题型:选择题 可逆反应:CO(g)+NO2(g)===CO2(g)+NO(g);△H=-226kJ/mol,在下列情况下不能使反应率加快的是()。A.充入NO2B.升高温度C.减小压强,扩大容器体积D.增加压强,缩小容器体积 查看答案