阅读理解。
My house is made of wood, glass and stone. It is also made of software (软件).
If you come to visit, you'll probably be surprised when you come in. Someone will give you an
electronic PIN (个人身份证号码) to wear. This PIN tells the house who and where you are. The
house uses this information to give you what you need. When it's dark outside , the PIN turns on the
lights nearest you , and then turns them off as you walk away from them. Music moves with you too.
If the house knows your favorite music , it plays it. The music seems to be everywhere, but in fact other
people in the house hear different music or no music. If you get a telephone call , only the nearest
telephone rings.
Of course, you are also able to tell the house if you want something. There is a home control
console (控制台), a small machine that turns things on and off around you.
The PIN and the console are new ideas, but they are in fact like many things we have today. If you
want to go to a movie,you need a ticket. If I give you my car keys,you can use my car. The car works
for you because you have the keys. My house works for you because you wear the PIN or hold the
console.
I believe that ten years later, most new homes will have the systems (系统) that I've put in  my house.
The systems will probably be even bigger and better than the ones I've put in today.
I like to try new ideas. I know that some of my ideas will work better than others. But I hope that one
day I will stop thinking of these systems as new, and ask myself instead,"How did I live without
them?"
1. The writer's house is NOT made of _____.
A. metal
B. wood
C. glass
D. software
2. What does the passage mainly discuss?
A. How to develop a new system.
B. The function (功能) of the PIN.
C. A home for the future.
D. Easy life in the future.
3. What's the purpose (目的) when the writer wrote the fourth paragraph?
A. To let readers know why his ideas are new.
B. To explain more easily what the functions of the PIN and the console are.
C. To explain the importance of the PIN and the console.
D. To let readers know how special his- house is.
4. The writer's new house is different from ordinary ones mainly because _____.
A. it has your favorite music following you
B. you can make a telephone call anywhere
C. the writer is able to change his new idea into practice
D. it has been controlled by computers.
5. What does the last sentence mean?
A. The writer won't invent new things.
B. The writer hopes the systems will become part of everyday life in the future.
C. The writer can't live without his systems in his house.
D. The writer hopes that he will be able to come up with more new ideas in the future.

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