In the future, machines will be improved and do more and more work for man. Few people have to work for long hours____ How will he use this leisure in the world of tomorrow?

    Certainly he will still need holidays.

    In the future, the computer will help people to find the right place. The computer will ask them questions which they will answer by pressing a button.____ then the computer will tell them where to find the place they want for holiday.____ It will also help people to use their leisure time well. There will be more programmes on how to make and how to do things.

    In the future, people will certainly have to do less work____ This means that the rest of the time will be mostly leisure time.

    Some scientists say that man of the future will be able to get enough pleasure and enjoyment on his own without going anywhere. According to other scientists____ The cap will make him see, feel and hear all kinds of enjoyable things.

根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使知道文意思通顺，内容完整。

A. Man will have more time for leisure.

B. a man will put on a small cap.

C. It'll also show them pictures and they will say which ones they like

D. Machines will take more and more work from man.

E. TV will be used more in education.

若 $\frac{m}{x-3}-\frac{1-x}{3-x}=0$ 无解，则m的值是（   ）