Sharks have always been depicted as cruel and murderous creatures. Lots of feature films 1) … to demonstrate how dangerous to people they…

Sharks have always been depicted as cruel and murderous creatures. Lots of feature films 1) … to demonstrate how dangerous to people they are.Though some kinds of sharks can really attack people, the number of people 2) … or killed by sharks is very small. Marine biologists insist that most sharks are 3) … to people. Along with that, the shark is one of the most ancient creatures of the world, and it should 4) … by all countries.