1.   What is thepresentation mainly about?

A. Advice on the purchase of cars.

B. Information about the new green-fuelvehicles.

      C.Trends for the development of the motor car.

      D.Solutions to global fuel shortage.

2.   What used to restrictthe use of electric vehicles?

A  . Limited driving range.

B．The short life of batteries.

C．Huge recharging expenses.

D．The unaffordable high price.

3.   What does the speakersay about electric vehicles of today?

A．They need to be further improved.

B．
They can easily switch to natural gas.

C．
They are more cost-effective than vehicles powered by solarenergy.

D．
They can match conventional motor cars in performance andsafety.