Ⅰ.Choose the best answers according to Shark attacks.
1．Which of the following statements is TRUE about sharks?
A．Among the 400 different types of sharks, only about 40 types attack human beings.
B．The most fierce sharks are the tiger shark and the bull shark.
C．The shark's attack is the leading cause of people's death in the sea.
D．The chance of being attacked by sharks is rather small compared to other dangers.
2．Which of the following ways can help you out of the attacks from sharks?
A．Not swimming in the dark, especially alone at night.
B．The fewer people, the fewer chances to attract sharks.
C．Colorful or shinning wears.
D．Swimming when you have a fresh wound.
3．________ is the way to save you out of a shark attack.
A．To keep still, not to stir or make the shark angry
B．To pull aside the shark's jaws to pull yourself out of its mouth
C．To hit the shark on the head to drive it away
D．To hit the shark on the nose
4．We can conclude from the passage that ________.
A．people's scares to sharks mainly come from the movie “Jaws”
