如果-4是关于x的方程2x+k=x-1的解，那么k等于（ ） A．-13 B．3 C． 发布时间：2017-04-14 12:12 │ 来源：www.tikuol.com 题型：选择题 问题： 如果-4是关于x的方程2x+k=x-1的解，那么k等于（ ）A．-13B．3C．-5D．5
题型：选择题 任务型阅读。Do you remember your home phone number of family birthdays? The researchers (调查者) spent two weeks polling (调查) 4,000 people for the magazine named Puzzler Brain Trainer. Here are the results of the survey. 70%Rely on (信赖) their phones to remember important dates10%Can't remember their home phone numbers Old peopleCan remember more than three birthdaysYoung people Can't remember three birthdays根据以上调查，完成下面短文。每空填一词。 The survey took about half a 1______. From the survey we know four 2______ people can't remember their home phone numbers. Young people can remember 3______ birthdays than old people because they always use their 4______ to remember them. Most people rely on electronic tools 5______ of remembering important dates themselves. Without electronic tools,, can you imagine what your life will be like? 查看答案
