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外语
A、They can easily switch to natural gas. B、They need to be further improved. C、They are more cost-effective than vehicles powere
A、They can easily switch to natural gas. B、They need to be further improved. C、They are more cost-effective than vehicles powere
admin
2017-10-31
34
问题
Thank you for coming, everyone. [23]Today’s presentation will show how we see the development of the motor car, in the short to medium term, and that is why we have invited all of you here today. Let’s start with power. It’s clear that petrol-driven engines have no future. Already there are many alternative fuel vehicles on the market, powered by anything from solar power to natural gas. Some independent thinkers have even produced cars that run on vegetable oil! But, as we all know, of all these alternative fuel vehicles, the most practical are electric vehicles. [24]Sure. in the past electric vehicles have their problems, namely, a limited driving range and very few recharging points, which limited their use. [25]Now, however, recent developments in electric vehicle technology mean they can match conventional petrol engines in terms of performance and safety. Let’s not forget that electric vehicles are cleaner. Plus, importantly, the power source is rechargeable so this does not involve using any valuable resources. Moving on to communications, very soon cars will be linked to GPS satellites, so they’ll do all the driving for you. What controls remain for the users will be audio-based. So, for example, you’ll just have to say "a bit warmer" and the air conditioning will adjust automatically. You’ll also be able to receive e-mail, music and movies all via an internet link. So, just tap in the destination you want, sit back, sleep, watch a movie, whatever!
23. What is the presentation mainly about?
24. What used to restrict the use of electric vehicles?
25. What does the speaker say about electric vehicles of today?
选项
A、They can easily switch to natural gas.
B、They need to be further improved.
C、They are more cost-effective than vehicles powered by solar energy.
D、They can match conventional motor cars in performance and safety.
答案
D
解析
录音提到,现在电力驱动汽车技术的发展意味着这类车可以在性能和安全性方面和传统汽车相媲美。 因此答案为D。A的“切换到天然气”、B的“需要进一步发展”以及C的“更加划算”在录音中都没有提及。
转载请注明原文地址:https://kaotiyun.com/show/zba7777K
0
大学英语四级
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