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《Using LanguageⅠ》PPT课件优质课下载
A funnelweb spider
A brown snake
A great white shark
A box jellyfish
A saltwater crocodile
How many poisonous snakes and how
many poisonous spiders are there in
Australia? Are they all capable of
killing humans?
115 different kinds of snakes and most of the 2,000 different kinds of spider. Only a few spiders and snakes are capable of killing humans.
2. What effect do most jellyfish have on
humans? What about box jellyfish?
Most jellyfish can cause severe pain to anyone who touches them but only the box jellyfish can kill a human.
4. What kind of crocodile has occasionally
attacked a human?
The saltwater crocodile.
3. How many kinds of sharks are there in
Australian waters? How many kinds
are likely attack humans?
160 different kinds of shark but only
2 or 3 kinds are likely to attack humans.
In your group discuss the best ways to protect yourself from each of the dangerous animals in the reading passage. The following information will help you.
How to protect yourself from these dangerous animals?
Saltwater crocodiles are found a long way from settlements only in the far north of Australia near rivers and waterholes. There are usually signs to warn people that crocodiles are in the area. Crocodiles stay hidden in the water or on the land close to water.
Many beaches have shark nets to keep sharks away from swimmers. In hot weather, small planes fly along the coast looking out for sharks. If one is spotted an alarm is sounded to warn people to get out of the water.