For questions 1-8, read the text below and decide which answer (А, В, C or D) best fits each gap. There is an example at the beginning (0).
The Eighth Wonder of the World
The Thames Barrier is a 0 _____ part of the flood defence scheme for protecting London 1 rising water levels. The defenses 2 include raised river embankments and additional flood gates at strategic points, including the Barking Barrier. The unique structure that is the Barrier spans the 520-metre wide Woolwich reach and 3 of 10 separate movable gates, each pivoting and supported between concrete structures which house the operating machinery.
When raised, the four main gates 4 stand as high as a five storey building and as wide as the opening of Tower Bridge. Each 5 3700 tonnes. During the first twelve years of 6 , the Barrier has been closed twenty nine times to protect London.
7 the Barrier from the comfortable cafeteria. Picnic on the riverside embankment. Enjoy beautiful views from the riverside walk. Visit the shop which stocks a large selection of souvenirs, books and Barrier information.