شرکت در آزمون آنلاین زبان انگلیسی 1 - زبان انگلیسی 1 | آزمون شماره 9227

In my ..................... , travelling ........................ is not possible for most of Iranians.

Silbo Gomero was invented in order to facilitate communication between the people of the island across the deep gorges and valleys long before mobile phones were invented. The natives of La Gomera can carry on long-distance conversations by whistling. For ordinary conversations they speak Spanish, but when they need to speak over a long distance they use Silbo.

La Gomera is one of the smallest Canary Islands. It is very mountainous, for it was once a volcano. In spite of the island’s small size, walking from one point to another may be a difficult job. That is why Silbo is so useful to the natives.

A good whistler, or silbador, can be heard over miles away when there is little or no wind and other sounds do not interfere. The record is approximately nine miles. Not only does a whistle carry farther than a shout, but it is easy to understand. In shouts, words cannot be pronounced properly while in whistling this isn’t a problem. A silbador uses many methods of whistling. Most commonly he / she inserts one or two fingers straight or bent, into his mouth. Some whistlers do not use their fingers at all. Instead, they form a groove in the front part of the tongue which touches the upper front teeth. This method of whistling can make a tone of astonishing loudness.

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What do we learn from this passage?

Mashhad is a famous tourist center because millions of … visit Imam Reza’s holy shrine every year.