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Do you still remember Jurassic Park, an amazing movie where science brings dinosaurs back from extinction? Now some very smart scientists are working on a way to revive, not dinosaurs, but other extinct species like the woolly mammoth (长毛象)using the gene editing technology known as CRISPR.

As an evolutionary biologist, obviously, it would be amazing to bring back extinct creatures. But even if we can bring them back, we are not going to be able to control how they evolve in the future. No man is an island and neither is any other creature. We need an ecosystem in order to survive. So we can think a lot about the examples of reintroducing species into the environment, like the gray wolves into Yellowstone. Ecology is very complicated and it certainly wasn't important when we first introduce rabbits into Australia, which was a total disaster eventually.

All animals like birds and mammals have to learn from their parents. If we bring them back to life, who are going to be around to teach them? We have examples where in California we've had the reproduction of the condors (秃鹰).What scientists tried to do is to feed the babies using a mother condor puppet. When these poor creatures were released into the wild, they had an unnatural liking for humans. They didn't behave the way they should have, for condors.

According to Performing Animal Welfare Society, a healthy elephant costs about $70,000 per year to care for and an elderly elephant costs a good deal more. Of course, we are not talking about one. We're talking about many creatures. I don't think these creatures will have a future.

【小题1】Why does the author mention the film in the first paragraph?
A.To recall an amazing movie.
B.To promote some extinct species.
C.To introduce the topic to be discussed.
D.To get to know some intelligent scientists.
【小题2】What does the author want to tell us by the examples in paragraph 2?
A.Humans need a balanced ecosystem to survive.
B.To bring back extinct creatures was an unwise idea.
C.Helping endangered species proves to be beneficial for humans.
D.There were all sorts of positive effects about reintroducing species.
【小题3】Which animal didn't act in its own way?
A.Condor.B.Gray wolf.C.Rabbit.D.Elephant.
【小题4】What can be a suitable title for the text?
A.Is Jurassic Park an Amazing Movie?
B.What do Creatures Need to Survive?
C.Should We Bring Extinct Animals Back to Life?
D.How does an Evolutionary Biologist Protect Animals?
20-21高三上·云南昆明·开学考试
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There is much to see Australia that you can’t see easily in its natural setting anywhere else. A visit to Australia would not be complete without taking the chance to see some of these animals in their natural environment.


Bandicoot

There are several species of Bandicoot around Australia, and although occasionally they can be seen during the day, they are generally nocturnal. Bandicoots are small creatures only about the size of a rat and eat small insects and plants. Several of the Bandicoots around Australia include the Eastern Barred Bandicoot, which is now rare around Australia and the Southern Brown Bandicoot found in eastern and western parts of Australia.


Koala

Koalas are small bears like creatures that live along the east coast of Australia, with their habitat amongst the famous Eucalyptus trees. However, koalas only like to eat a small percentage of the Eucalyptus trees found around Australia. Koalas have hard black noses, with sharp claws and a thick furry coat and can grow to a weight of about 10kg. most of their time is spent asleep in the trees, which is the best place to see a koala.


Dingo

Dingoes are found in various areas across Australia, and unlike domestic dogs do not bark. Instead, the Dingo makes a howling sound that is very particular. Dingoes generally eat mice, rabbits and rats, although sometimes they can also attack livestock(家畜) when hungry.


Frilled Lizard

The Frilled Lizard is found in the eastern and northern parts of Australia, living within the bush. The Frilled Lizard frill normally hangs around its neck, and is made out of a flap of skin. When threatened, the Frilled Lizard will raise its frill making it seen more dangerous.

【小题1】When in danger the Frilled Lizard will raise its frill in order to        .
A.look more beautiful
B.make itself comfortable
C.frighten its enemy
D.attract the opposite sex
【小题2】What does the underlined word “nocturnal” mean in the passage?
A.Dangerous when attacked.
B.Active at night.
C.Small in size.
D.Gentle in the daytime.
【小题3】According to the passage, which animal likes resting in the tree?
A.Frilled Lizard.
B.Dingo.
C.Bandicoot.
D.Koala.

Navy officer Allen Parton suffered a serious head injury while on duty in the Gulf War. It left him in a wheelchair, unable to talk, and he lost half of his life’s memories. He couldn’t remember his children’s first steps, their first days at school, and their being born. Allen didn’t even recognize his children. And he lost the ability to feel any emotion. He had two attempts at killing himself in the process of recovery.

But all changed when coming across a dog named Endal, who failed his training to be an assistance dog and needed a home. Endal saw something on the floor by Allen's wheelchair, ran across the training centre, picked it up and put it in Allen's lap. He wanted a treat, a reward, praise, anything, but he got no reaction. Then he ran over to the mock-up supermarket, took a tin off the shelf, put it in Allen’s lap. Surprisingly, that made Allen’s brain switch on and he smiled for the first time in a long time. And it was the start of their relationship.

Endal became his 24-hour companion, helping with every practical aspect of his life.

Then one night, which showed the dog’s devotion, Allen and Endal were both hit by a car. Although Allen had been knocked unconscious out of the wheelchair and Endal had been hurt by the vehicle as well, he got up, pulled Allen into the recovery position, and he pulled out the blanket from under Allen's wheelchair and covered him with it.

Legs bleeding, he ran to a nearby hotel and sounded the alarm. Before that, he found Allen’s mobile phone in the dark, and he brought it to his face.

And for what he did to his owner he won the Victoria Cross Award.

The dog saved Allen’s life, his marriage, and brought him back to his children.

【小题1】Which of the following statements is true?
A.Allen graduated from a famous navy school.
B.The serious injury left Allen in a wheelchair.
C.Allen once wanted to kill himself during the war.
D.Endal used to be an assistance dog.
【小题2】What does the underlined word “that” in paragraph 2 refer to?
A.The dog.B.The supermarket.
C.The tin.D.The dog’s behaviour.
【小题3】Which is the correct order of the dog saving his owner?
a. covered Allen with the blanket
b. pulled Allen into the recovery position
c. brought Allen’s mobile phone to his face
d. sounded the alarm
e. came to a nearby hotel
A.b→a→e→d→cB.b→a→c→e→d
C.a→b→c→e→dD.a→b→e→d→c
【小题4】The dog won the Victoria Cross Award mainly for his
A.abilityB.cutenessC.knowledgeD.devotion

Honey(蜂蜜)from the African forest is not only a kind of natural sugar, it is also delicious. Most people, and many animals, like eating it. However, the only way for them to get that honey is to find a wild bees' nest(巢)and take the honey from it. Often, these nests are high up in trees, and it is difficult to find them. In parts of Africa, though, people and animals looking for honey have a strange and unexpected helper一a little bird called a honey guide.

The honey guide does not actually like honey, but it does like the wax (蜂蜡) in the beehives (蜂房). The little bird cannot reach this wax, which is deep inside the bees’ nest. So, when it finds a suitable nest, it looks for someone to help it. The honey guide gives a loud cry that attracts the attention of both passing animals and people. Once it has their attention, it flies through the forest, waiting from time to time for the curious animal or people as it leads them to the nest. When they finally arrive at the nest, the follower reaches in to get at the delicious honey as the bird patiently waits and watches. Some of the honey, and the wax, always falls to the ground, and this is when the honey guide takes its share.

Scientists do not know why the honey guide likes eating the wax, but it is very determined in its efforts to get it. The birds seem to be able to smell wax from a long distance away. They will quickly arrive whenever a beekeeper is taking honey from his beehives, and will even enter churches when beeswax candles are being lit.

【小题1】Why is it difficult to find a wild bees' nest?
A.It's small in size.
B.It's hidden in trees.
C.It's covered with wax.
D.It's hard to recognize.
【小题2】What do the words “the follower” in Paragraph 2 refer to?
A.A bee.B.A bird.
C.A honey seeker.D.A beekeeper.
【小题3】The honey guide is special in the way________.
A.it gets its food
B.it goes to church
C.it sings in the forest
D.it reaches into bees' nests
【小题4】What can be the best title for the text?
A.Wild Bees
B.Beekeeping in Africa
C.Wax and Honey
D.Honey-Lover's Helper

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