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    Dangerous creatures
    Some beach creatures are wonderful—like dolphins, but others are dangerous. Find out more about the dangerous ones –puffer fish, blue ringed octopus, and stingrays.

    The blue ringed octopus

    The blue ringed octopus is not a very big creature but it is very dangerous.
    These octopuses are found all around the coast of Australia. They often lie in rock pools close to shore.
    The blue ringed octopus is usually a dull colour but it shows its bright blue rings when it is in danger. If it is taken out of the water by someone, it is able to bite him and poison him.
    If this creature bites someone, he will feel numbness (麻木) around the mouth, face and neck, Puffer Fish
    Puffer Fish are found in all Australian seas. They are very easy to catch but must not be eaten because their flesh contains a poison.
    Anyone who does eat the flesh can become sick very quickly. They may even stop breathing.

    The Blue Bottle

    The Blue Bottle is found in most Australian waters. Blue Bottles float lightly on the surface of the water but their tentacles(触角)can be as long as 10 meters.
    Blue Bottles are much less dangerous than some other jellyfish, but they can give a swimmer a bad sting(刺) if the swimmer accidentally touches them.

    Stingrays

    There are many different kinds of stingrays in Australian waters. They usually swim and feed on the bottom of the sea. Accidents can happen if people stand on them or try to pick them up.
    Stingrays have a sting on their tail. These stings have poison on them. If someone is stung, the wound can easily become infected.
    【小题1】If you swim in Australian waters, you will probably             .
    A．be bitten by the blue ringed octopus
    B．stop breathing because of Puffer Fish
    C．get a bad sting by the Blue Bottle
    D．become infected by stingrays
    【小题2】According to the text, the less aggressive (侵略性)creature is            .
    A．the blue ringed octopusB．puffer fish
    C．the blue bottleD．stingrays
    【小题3】According to this passage, the correct one of the following is that           .
    A．all creatures along the coast of Australia are dangerous
    B．poisonous creatures change the body color when in danger
    C．no accident will happen unless people touch these creatures
    D．if people stand on the beach, accidents can happen because of creatures
    【小题4】The main idea of this passage is about             .
    A．dangerous creatures in the seaB．interesting creatures in the ocean
    C．wild creatures in Australia seasD．different creatures in Australian waters


    【小题1】C
    【小题2】B
    【小题3】C
    【小题4】A

    解析

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