D) By using a screen to display satellite signals
25. 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
阅读能力的提高包括很多因素,文章可以分为段落,段落可以分为句子,句子可以分为单词。
Passage Two
Questions 26 to 30 are based on the following passage.
The worlds environment is surprisingly healthy. Discuss. If that were an examination topic, most students would tear it apart, offering a long list of complaints: from local smogto global climate change, from the fellingof forests to the extinction of species. The list would largely be accurate, the concern legitimate. Yet the students who should be given the highest marks would actually be those who agreed with the statement. The surprise is how good things are, not how bad.
After all, the worlds population has more than tripled during this century, and world output has risen hugely, so you would expect the earth itself to have been affected. Indeed, if people lived, consumed and produced things in the same way as they did in 1900 , the world by now would be a pretty disgusting place: smelly, dirty, toxic and dangerous.
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