Преобразовать формы слов ) for questions 7-14, read the text below. use the word given in capitals at the end of some of the sentences to form a word that fits in the gap in the same sentence. the cave of the crystals the (7) ……… state of chihuahua is home to one of the natural wonders of the world - the cave of crystals (mexico). discovered (8) …………… in 2000 by miners drilling a tunnel, the cave lies about 350 m below the surface of the naica mountains (accident). it contains over 170 of the largest natural crystals ever found – one of them measures about 11 m and weighs more than 5500 kg. the (9) …………… of these large crystals probably began 26 million years ago (create). it was the result of volcanic (10) ……………. (active). tiny crystals were formed and, over the centuries, the extreme heat in the caves has encouraged the (11) …….. of these giant structures (grow). the crystals look cool and ice-like, but don’t be fooled! due to the (12) ………. of hot springs nearby, the temperature is 44°c (present). it is so that the visitors have to wear (13) ……….. suits and carry backpacks of ice-cooled air with them (protect).and this is only to (14) …. they can survive for just a few minutes in the cave (sure).
result of volcanic (10) ……………. (ACTIVity). Tiny crystals were formed and, over the centuries, the extreme heat in the caves has encouraged the (11) …….. of these giant structures (GROWth). The crystals look cool and ice-like, but don’t be fooled! Due to the (12) ………. of hot springs nearby, the temperature is 44°C (PRESENce). It is so that the visitors have to wear (13) ……….. suits and carry backpacks of ice-cooled air with them (PROTECTive). And this is only to (14) …. they can survive for just a
few minutes in the cave (enSURE).