It is thought that Benjamin Franklin first suggested the introduction of Daylight Savings Time in the 18th century. But actually, the first serious (i) _______ came in 1907 from William Willet. Yet his idea was shelved by the British government, who refused it because they thought it was unnecessary. Daylight Savings Time was first put (ii) _______ practice by the German government in 1916 in order to save energy during the First World War. (iii) _______ the United Kingdom followed suit, with the United States doing the same in 1918. The law was very unpopular since people had to wake up earlier and many experienced jetlag. But the 1970s energy crisis forced the US (iv) _______ Daylight Savings Time the law. Studies have shown that the introduction of Daylight Savings Time in the spring saved the US 10,000 barrels of oil per day bctween 1974 and 1975. It also prevented 2,000 traffic injuries and

(iv)_____

Suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ATNETWORK
ADMICRO
YOMEDIA
ZUNIA9