Use one of the words or phrases below to complete each of these sentences from a BBC news report.
Note that you may have to change the form of a word to complete the sentence correctly.
shimmering / lava / a vent / erupt / forecast
1. What are believed to be the world's deepest undersea volcanic _________________ have been discovered in the Caribbean.
The _______________, known as black smokers, were located 5,000m (3.1 miles) down in the Cayman Trough.
2. Mr Osborne's speech came a day after the Bank of England cut its growth ____________ for the UK for 2011 from 1.8% to 1.5%, warning that "the headwinds are growing stronger by the day".
3. The southern white rhinos here, at first appearing like boulders on the ____________________ horizon of the African bush, were until recently a conservation success story.
4. A chain of volcanoes has _________ in southern Chile, sending a column of smoke and ash high into the air.
5. Europe's biggest active volcano, Mount Etna, is putting on a spectacular show as it continues to spew _______________.