Among the first to suggest that clocks be moved ahead to extend(延长) daylight hours during the spring and summer was Benjamin Franklin. However, it was not until March 31, 1918, more than a century after Franklin’s death, that Congress adopted the practice — during World War I, in order to save electricity. During World War I, daylight saving was also adopted(采取) in England, Germany, France, and many other countries.
1. Daylight saving means _______.
A. to make the clocks faster B. to make the clocks slower
C. to extend daylight hours D. to shorten day hours
2. The first to suggest that clocks be moved ahead to extend daylight hours was _______.
A. Benjamin Franklin B. Congress of the United States
C. No one D. Newton
3. When did they put this into practice?
A. World War II. B. World War I.
C. More than a century ago. D. About 50 years ago.
4. Congress adopted the practice, in order _______.
A. to save water B. to save electricity
C. to save money D. to save time
5. Daylight saving was also adopted _______.
A. in England and France.
B. in Germany and many other countries.
C. Both A and B
D. all the countries
【答案与解析】本文讲述了延长白昼时间的提出，以及这种建议何时被采用。
1. C。Daylight saving是什么意思？文章首先说了延长白昼时间的方法被Franklin提出，然后说在第一次世界大战中为了节约电而采用了这种 daylight saving的方法。由此可知是延长白昼时间的意思。
2. A。文章第1句告诉我们提出延长白昼时间的人是Benjamin Franklin，由此可知答案。
3. B。这个建议什么时候被运用在实践中的呢？文章说到是在Franklin死后的一个世纪也就是在第一次世界大战中才被采用。因此可知答案是B。
4. B。文章中的第3句告诉我们延长白昼时间的原因是saving electricity。
5. C。根据文章的最后一句我们得知英国和德国等都采用了这个建议。所以A、B项都对。
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