Словообразование упражнение №21
Read the texts below and decide what part of speech in A, B, C or D best fits each gap in the sentences.
Throughout history, people have been (1) _______ by life underwater, and the Professional Association of Dive Instructors (2) _______ that there are now 6 million active divers worldwide. They (3) _______ in many different types of diving, of which wreck, cave, (4) _______ , and military diving are just a few. The most common form of diving is sport diving, or (5) _______ diving, which is practiced at depths of less than 130 ft. From these depths, divers can make a (6) _______ ascent to the surface. Diving beyond this limit requires (7) _______ training.
Because popular dive sites such as coral reefs and wrecks are (8) _______ not near land, most diving is done from boats.
In some locations, however, divers can enter the water from shore. On a typical outing, the divers decide before hand how long they will remain underwater and how (9) _______ they will descend. While the divers are underwater, at least one person serves as a spotter by remaining on the boat or on shore. All groups, whether diving from a boat or from shore, are (10) _______ to fly a diver down flag (a red flag with a white diagonal slash) to alert boaters that people are underwater.
In general, divers seek locations where the water is clear, the temperatures warm, and the marine life (11) _______ .
Divers often choose to visit areas with coral reefs because they are colourful and (12) _______ with life, and provide shelter for many types of fish. The Caribbean is the most popular (13) _______ in the world. Parts of the region are designated as marine parks or sanctuaries. Because they are protected from fishing and other human activity, these locations boast abundant aquatic plant and animal life.
Similar protected areas (14) _______ throughout the world, and the South Pacific, the Indian Ocean, and the Red Sea are common dive destinations.