(2016·云南玉溪一中期末)

　　Valentine's Day is the time of the year when couples show their love for each other by sending cards, flowers and chocolates. Its origins are __1__ (clear) and hidden in the river of time. Nobody knows exactly __2__ St. Valentine was, although some historians suggest he was __3__ Roman killed in the third century AD by a Roman emperor. It is said that the first __4__ (record) Valentine's card was sent by the imprisoned Duke of Orleans in 1415. __5__ is believed that he tried to find comfort from his imprisonment by writing love poems to his wife.

　　Now, Valentine's Day __6__ (celebrate) in many countries around the world. However, the traditions often differ from place to place. In Japan, for example, it is normal __7__ the woman to send chocolates to the man, __8__ in South Korea April 14th is known as “Black Day” and is when the unfortunate men who received nothing on Valentine's Day gather to eat noodles and show sympathy for each other.

　　Technological __9__ (develop) has also played a part __10__ keeping Valentine's Day relevant(有意义的) in the 21st century. Valentine's e­cards have been very popular in recent years.

　　答案与解析　

　　语篇解读　本文主要讲述了有关情人节的一些情况。

　　1．unclear　考查词形转换。根据空后的“hidden”可知，此处表示“它的起源并不清楚”。故应填unclear。

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