A、
Advice on the purchase of cars.
B、
Information about the new green-fuel vehicles.
C、
Trends for the development of the motor car.
D、
Solutions to global fuel shortage.
【正确答案】
C
【答案解析】
A、
Limited driving range.
B、
The short life of batteries.
C、
Huge recharging expenses.
D、
The unaffordable high price.
【正确答案】
A
【答案解析】
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 solar energy.
D、
They can match conventional motor cars in performance and safety.
【正确答案】
D
【答案解析】
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