The Asuncion zoo is looking for a mate for Coco, an endangered hyacinth macaw （藍(lán)紫金剛鸚鵡）, and it is the last known male of his species left in Paraguay.

Coco was sent to the zoo eight years ago. A recent DNA test showed that he is male. Zoo worker Celia said, “To avoid mixing species, the zoo has had to keep him apart from the other macaws, which has left him lonely and bored.” “He is quite sociable, although he has only learned to say ‘Hello’, but when he hears music, he dances” Celia said.

He has a yellow circle around his eyes that set off the rest of his blue feathers. He is more or less a cousin to Blu, the macaw that starts in the movie, Rio. That species, cyanopsitta-spixii（小藍(lán)金剛鸚鵡）, is all blue and even more endangered than the hyacinth macaw.

Like the bird in the movie, scientists hope to find Coco a mate to rebuild the species. Because international laws against animal training are now so strict, nobody is willing to lend the zoo a female. The best solution is to find a female hyacinth macaw in our country. Celia said, “there are at least two other known hyacinth-macaws but without DNA test, it is impossible to know if they are female, and the owners are not willing to help, because the mating process can take some time and be a little hard on females.”

1.From the text we know that Coco ________.

A. is the last known hyacinth macaw

B. lives apart from the other macaws

C. has adapted to being left alone

D. can say "Hello" when he hears music

2.Why is it difficult to find a mate for Coco?

A. Because there is no known female macaw in Paraguay.

B. Because the international laws are against Coco mating.

C. Because the DNA test on female Coco takes time.

D. Because nobody is willing to hunt for a female.

3.It can be inferred from the text that ________.

A. Coco stars Rio in a movie

B. Coco has only blue feathers on his body

C. Coco is the most endangered macaw

D. rebuilding the Coco's species will take time

4.Which of the following would be the best title?

A. Coco, a Rare Macaw-in Asuncion Zoo

B. Asuncion Zoo Is Seeking a Mate for Coco

C. Hyacinth Macaws Are Endangered in Paraguay

D. Coco, the Only Known Male Macaw in Paraguay

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Experiments under way in several labs aim to create beneficial types of genetically modified foods, including starchier potatoes and caffeine-free coffee beans. Genetic engineers are even trying to transfer genes from a cold-winter fish to make a frost-resistant tomato.

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A. GM foods may bring about great benefits to humans.

B. GM foods are no different from ordinary ones.

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A. To show GM foods can kill insects effectively.

B. To show GM foods contain more protein.

C. To show GM foods also have a dark side.

D. To show GM foods may harm crops.

3. What happens to those insects when not killed by the spray of insecticide?

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C. They move to other fields free from insecticide.

D. They never eat again those plants containing insecticide.

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A. Underdeveloped countries have banned GM foods.

B. Both Europe and the U.S. have banned GM foods.

C. Most European countries have not banned GM foods.

D. The United States has not banned GM foods.

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