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Have you ever wondered what wild animals do when no one is watching?

Low cost, dependable and small modern cameras offered a big help. Cameras placed in hard-to-reach places have shot everything from small desert cats to larger snow-lowing cats in the northern Rocky Mountains. Scientists have been able to document the “private” moments of wildlife with leading technology.

Grant Harris is a government biologist with the United States Fish and Wildlife Service in Albuquerque, New Mexico. In his words, “there’s no doubt that these wild cameras are important tools to learn new information on wildlife.” Harris said some images help scientists see the eflects of climate change.

Researchers with the Wyoming Migration Initiative, or WMI, are among those using wild cameras along with global positioning systems, or GPS. But WMI director Matthew Kauffman says as those devices are limited, so is the amount of information they can gather from GPS. However, cameras can be left in very wild areas for days, weeks or even months. They can provide information on how many animals are moving over a given period of time.

Putting those cameras in place requires careful planning. Wild video can show details about animal behavior. However, wild cameras have their problems too. Animals such as wolverines and bears sometimes attack them. Scientists do not know if the attacks are the result of anger or interest. Also, the devices have become popular tools to help hunters look for animals. Some people argue that it is unfair to use the cameras that way.

Even with such problems, wild cameras are clearly an important scientific tool in researching wild animals.

1.What does the underlined word “document” in paragraph 2 mean?

A. Remind. B. Enrich.

C. Appreciate. D. Record.

2.Which is a disadvantage of wild cameras?

A. They cannot be left in the wild over a long period.

B. They cannot be placed in hard-to-reach areas.

C. They provide limited information.

D. They might be stolen by people.

3.Why do some people argue against using wild cameras?

A. It is difficult to fix the cameras.

B. It helps hunters find animals easily.

C. It is hard to achieve careful planning.

D. It makes animals interested in the cameras.

4.What is the authors attitude towards wild cameras?

A. Doubtful. B. Positive.

C. Uncertain. D. Uncaring.

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