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1. We learn from the passage. that navigation computers______________.
A) will greatly promote sales of automobiles
B) may help solve potential traffic problems
C) are likely to be accepted by more drivers
D) will soon be viewed as a symbol of luxury
2. With a navigation computer, a driver will easily find the best route to his destination________.
A) by inputting the exact address
B) by indicating the location of bis car
C) by checking his computer database
D) by giving vocal orders to the computer
3. Despite their varied designs, navigation computers used in cars___________________.
A) are more or leas the same price
B) provide directions in much the same way
C) work on more or less the same principles
D) receive instructions from the same satellites
4. The navigation computer functions__________________.
A) by means of a direction finder and a speed detector
B) basically on satellite signals and a map database
C) mainly through the reception of turn-by-tum directions
D) by using a screen to display satellite signals
5. The navigation systems in cars like Lexus. BMW and Audi are mentioned to show__________.
A) the immaturity of the new technology
B) the superiority of the global positioning system
C) the cause of price fluctuations in car equipment
D) the different ways of providing guidance to the driver
