—May I swim here?  

— No, you _______.  It is dangerous.

A．won’t           B．needn’t          C．mustn’t          D．don’t have to

Soon computers and other machines will be able to remember you by looking at your eyes! The program works because everyone’s eyes are different. So in the future you won’t have to remember a number when you want to use a machine or take money out of a bank. You’ll just have to look at the machine and it will be able to tell who you are.
The eye-recognition(眼睛识别) program is already being tested in shops and banks in the USA, Britain and France. Soon, this technology(技术) will change all other ways of finding out who people are.
However, scientists are working on other systems. Machines will soon be able to know you from the shape of your face or hands or even your smell! We already have machines that can tell who you are from your voice or the mark made by your fingers.
Eye-recognition is better than other kinds because your eyes don’t change as you get older, or get dirty like hands or fingers. And even twins have different eyes, so the program can be up to 94％ correct, depending on(依靠) how good the technology is. Some programs may only be right 51％ of the time. In Britain, it was found that 91％ of people who had tried it said that they liked the idea of eye-recognition.
In the future your computer will be looking at you in the eye. So smile!
【小题1】What is the advantage of using the eye-recognition program?

　　Soon computers and other machines will be able to remember you by looking at your eyes. The program works because everyone's eyes are different. So in the future you won't have to remember the number when you want to use a machine or take money out of a bank. You'll just have to look at the machine and it will be able to tell who you are.

　　The eye-recognition (眼睛识别) program is already being tested in shops and banks in the USA, Britain, Spain, Italy and Turkey. Soon this technology will take the place of all other ways of finding out who people are.

　　However scientists are working on other systems. Machines will soon be able to know you from the shape of your face or hand or even your smell. We already have machines that can tell who you are from your voice or the mark made by your finger.

　　Eye-recognition is better than other kinds because your eyes don't change as you get older, or get dirty like hands or fingers. And even twins have different eyes, so the program can be up to 94% correct, depending on how good the technology is. Some programs may only be right 51% of the time. In Britain, it was found that 91% of people who had tried it said that they liked the idea of eye-recognition.

　　In the future your computer will be looking at you in the eye. So smile!

(1) Where will the eye-recognition program be used?

[　　]

A．In banks and factories.

B．In banks and shops.

C．In schools and computers.

D．In schools and shops.

(2) How does the eye-recognition program work?

[　　]

A．You look at the machine and type a number.

B．You need to speak and then look.

C．The machine looks at your face.

D．You look at the machine.

(3) Which recognition program is already in use?

[　　]

A．Remembering eyes and smell.

B．Remembering fingers or voices.

C．Remembering faces and voices.

D．Remembering hands and faces.

(4) What problem could there be with the eye-recognition program?

[　　]

A．Some eyes are the same.

B．Eyes can change.

C．It is not always correct.

D．Eyes can get dirty.

(5) What's the advantage of using recognition programs?

[　　]

A．You needn't remember the number.

B．You needn't take money with you.

C．You don't need to speak.

D．People think they are interesting.