Somebeachcreaturesarewonderful—likedolphins,butothersar...

問題詳情：

Some beach creatures are wonderful —like dolphins, but others are dangerous. Find out more about the dangerous ones— blue ringed octopuses, Puffer Fish, Blue Bottles and stingrays.

blue ringed octopuses

     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. 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 poison.

     Anyone who does eat the flesh can become sick very quickly. They may even stop breathing.

Blue Bottles

     The Blue Bottle is found in most Australian waters. Blue Bottles float lightly on the surface of the water but their tentacles(觸角) 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(蟄傷) 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.

    51. If you swim in Australian waters, you will probably______

       A. be bitten by the blue ringed octopuses    B. stop breathing because of Puffer Fish

C. get a bad sting by the Blue Bottles       D. become infected by stingrays

    52. According to the text, the less aggressive(侵略*)creature is _______

       A. blue ringed octopus         B. Puffer Fish

C. stingray                   D. Blue Bottle

    53. Which of the following statements is TURE according to the passage?

       A. All creatures along the cost 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.

    54. The main idea of this passage is about______

       A. dangerous creatures in Australian seas      B. interesting creatures in the ocean

C. wild creatures in Australian seas          D. different creatures in Australian waters

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