Red wolves used to be a common sight across the southeastern United States.But today,there are just 50 left in the wild.

The red wolf is one of the most endangered wild canine species（犬科動物）in the world.In the past five years, the species' population in the wild has dropped by half.The US Fish and Wildlife Service had been working for decades to reintroduce the species into the wild,but the organization recently put the program on hold.

According to Cindy Dohner,the southeast regional director for the Fish and Wildlife Service,the agency is focusing on "our commitment to get the science right and rebuild trust with our neighbors in those communities as we address problems regarding the recovery of the red wolf."But the animal-rights group Defenders of Wildlife said on its website that the decision made by the Fish and Wildlife Service "falls well short of what is needed to continue red wolf recovery."

The red wolf was declared an endangered species in 1967.By 1980,it had been hunted to extinction（滅絕）in the wild.Some hunters thought the red wolves were coyotes（土狼）, so most people killed them because they believed wolves were dangerous and would attack people.This wrong belief has made it difficult to restore the species, because people are afraid to have red wolves reintroduced near human communities.

Experts say that one way to fight these fears is simply to teach people about red wolves.In reality,they are shy animals that they don't get close to humans and hunt mostly at night.According to the Fish and Mildlife Service, captive breeding centers in the US are home to about 200 red wolves.But without continued efforts from the government and private groups,red wolves will continue to suffer.

1.The underlined phrase "put...on hold" in Paragraph 2 probably means “ ”.

A. paused B. promoted

C. overlooked D. accomplished

2.What does Defenders of Wildlife think of the Fish and Wildlife Service's decision?

A. Practical. B. Annoying.

C. Satisfactory. D. Disappointing.

3.The trouble in reintroducing red wolves near human communities lies in____.

A. humans' over-hunting

B. fears in human beings

C. shortage of food in the wild

D. lack of governmental support

4.What can we know about red wolves from the text?

A. They don't hunt in the daytime at all.

B. Their total population in the world is only 50.

C. They keep away from humans due to shyness.

D. They are dangerous because they attack people.

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