检查一下这篇文章有无错误,这是paragraph.开始是topic,后面是补充
题目
检查一下这篇文章有无错误,这是paragraph.开始是topic,后面是补充
Technology can have positive and negative influences. Technology make people live better than before. For instance, medical technology help people get a long life, people can use the information technology with the distant place human telephone conversation and transportation technology can improve human’s life level. Technology built a new lifestyle for persons. Technology increases the efficiency to give people more free time. People begin to pay attention to personal accomplishment, and food become not very important in household expenditure. People’s links become closer. Persons make friends with wherever people. Also technology has some negative influences. Different nations have different levels of technology. This point causes the Poverty gap. Developed country become richer and Developing country become poorer. On the other hand, people become lazy if the persons indulge in technology. The influence of technology depends on how people
答案
Technology has positive and negative influences.On one hand,It makes people live better than before.For instance,medical science helps people get a longer life,people can use the information technolog...
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
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