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E. Governments and vehicle manufacturers are fully aware of these issues, but the consensus among policy-makers seems to be that somehow technology will come up with the answers, as
it often has in the past. Analysts also predict that changing social attitudes and environmental awareness will lead to a reduction in private vehicle use and a fall in the numbers of vehicles on
the roads. This prediction is likely to be right, though not necessarily for those reasons alone; any shortage of essential components will force up the cost of electric vehicles, and any
shortage of battery recharging facilities or capacity will discourage people from buying electric vehicles, leading to a fall in the number of vehicles on the roads.
F. Ultimately the success of the transition to electric-powered vehicles will depend on advances in technology in three fields; the weight of batteries, the amount of power that they can produce, and the speed at which they can be recharged or exchanged.
1) Which of the following is the best title for this passage?A. Why will electric cars take over sooner than you think?
B. What are the pros and cons of electric cars?
C. Is using electric cars really a way to protect the environment?
D. The electric car revolution: is it realistic?
2) Which is the best interpretation of the following sentence from paragraph D?
"Without adequate supplies of all the vital ingredients of electric motors and batteries, or without power supplies that are able to provide the electricity required to recharge millions of electric batteries every day, the electric car revolution will run up against insoluble problems in all but the most developed countries."
A. If there are not enough power sources and electric cars component supplies, the electric car revolution in all nations will face obstacles, except the richest ones.
B. Wealthy nations have more difficulty encouraging citizens to buy electric cars due to a lack of power supplies.C
. The electric car revolution in all nations, even the richest ones, will encounter insoluble problems despite having enough energy supply as well as electric cars components.D. The electric car revolution in the richest nations will encounter big problems if there are not enough supplies of electric cars components and power sources.
3) Which of the following reasons may cause consumers' hesitation in purchasing electric cars?
A. a lack of capacity for battery recharging
B. sufficient supplies of essential components
C. a reduction in the number of vehicles on the road D. a fall in the price of electric cars
4) Which is NOT mentioned as a factor determining the success of the electric car revolution according to the last paragraph?
A. how heavy the batteries are
B. how long the charging time is
C. how much electricity batteries can produce D. how fast the vehicle can operate
