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A lot of people are afraid spiders(蜘蛛)–even the small ones. But a big tarantula(鸟蛛)is much more terr...
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A lot of people are afraid spiders(蜘蛛)–even the small ones. But a big tarantula(鸟蛛)is much more terrifying for many. Now, scientists in Sri Lanka have discovered a huge species of tarantula that’s about the size of a person’s face.
The first part of the spider’s scientific name, Poecilotheria rajaei, comes from the Greek words for “spotted”(poikilos) and “wild beast” (therion). Its species name, rajaei, comes from a local police officer who helped the team that discovered the creature. Poecilotheria rajaei has 8-inch long legs, and unusual spots colored gray, pink, and yellow.
Although it is very big, is there a real reason to be afraid of one? Maybe. This tarantula has enough poisonous fluid(毒液)to kill mice and small birds and snakes –but its bite wouldn’t cause the death of most humans.
Poecilotheria rajaei was first seen in 2009, when a villager in Sri Lanka found the body of a male and brought it to Ranil Nanayakkara, co-founder of Sri Lanka’s Biodiversity Education and Research organization.
An examination of the awesome creature proved that it was a type of tarantula scientists hadn’t seen before. So Nanayakkara carefully looked through the Sri Lankan forests to try to find more of the spiders.
It’s still too early to know whether this species is endangered. But researchers fear that the tarantulas’ natural habitat is slowly being destroyed.
“ They prefer old trees, but due to the widespread removal of trees the number has dropped,” Nanayakkara said in an interview.
Tarantulas have eight legs and two body parts. They are different from insects, which have only six legs but three body parts. Tarantulas have hairy bodies and are usually larger than other types of spiders. Some species of tarantulas can live up to 25 years.
While Poecilotheria rajaei is very big, the largest tarantula is the Goliath bird-eater (Theraphosa blondi). Found in the rainforests of South America, its legs can be up to 10 inches long. But don’t worry if you ever see one: Its poisonous fluid isn’t really dangerous to humans.
1.According to the text, Poecilotheria rajaei _______.
A. has unique spots
B. is mostly yellow
C. has 10-inch long legs
D. was first seen by the Greeks
2.Which of the following is most likely to survive a bite from Poecilotheria rajaei?
A. A little girl
B. A small bird.
C. A big mouse
D. A small snake.
3.The number of Poecilotheria rajaei has dropped because___________.
A. the global climate has changed
B. they have too many natural enemies
C. some people are killing them illegally
D. more and more forests are disappearing
4.Which of the following is TRUE about tarantulas?
A. They are a kind of insect.
B. Most of them live in South America.
C. Their body is divided into three parts.
D. They are usually of bigger size than other spiders.
5.Which section of a newspaper is the text most probably taken from?
A. Life B. Nature
C. Science D. Business
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