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A．It will help detect all kinds of liars.
B．It will most likely prove ineffective.
C．It can help solve complex problems.
D．It is a new weapon against terrorists.
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单项选择题What is the most effective way to clean the air

A．To let out clean gas.
B．To take in harmful gas.
C．To use various plants.
D．To let the air flow freely.

单项选择题For what purpose does the pilot shut off all the engines

A．To find out exactly what happens.
B．To save fuel to fly longer.
C．To find out where the big stone is.
D．To fly even more slowly.

单项选择题What is the security problem of MySpace according to Buchanan

A．There are too many complaints from net users.
B．Hackers’ attack of MySpace cannot be forbidden.
C．Parents cannot help checking children’s information.
D．It is easy for trouble-makers to do harm to children.

单项选择题Andy Hildebrand invented Auto-Tune ______.

A．when he was 40
B．in the year 1996
C．for financial purpose
D．for his own children

单项选择题Why does the man want to take up Teaching English as a Foreign Language

A．He can’t catch up with his classmates.
B．He finds the English course load too heavy.
C．He is not interested in his present major.
D．He is good at Applied Linguistics.

单项选择题What causes the indoor air pollution according to the speaker

A．The building method the builders use to save energy.
B．The limit of the flow of air between inside and outside.
C．The use of man-made building materials.
D．The limit of air-flow and the man-made materials.

单项选择题A．He knows where to get a new map.B．He will help the woman read the map.C．He has already seen the library.D．He will go to the library as well.

A．He knows where to get a new map.
B．He will help the woman read the map.
C．He has already seen the library.
D．He will go to the library as well.

单项选择题Why does the woman suggest the man cycle

A．It helps improve the physical health.
B．It is good for a sound sleep.
C．It helps develop mental toughness.
D．It helps lose weight.

单项选择题What do we learn from the passage about MySpace

A．It’s a reliable way to make friends online.
B．It is convenient to get in touch with their parents.
C．It is regarded as a way of judging high school popularity.
D．It is regarded as a way of judging subject scores.

单项选择题What will possibly cause the plane to crash

A．The plane flies at high altitudes.
B．The plane is filled with air.
C．The metal structure of the plane is very strong.
D．A small part of the plane cracks.