TheUnitedStatesDepartmentofAgriculturehasaprogramcalled...

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The United States Department of Agriculture has a program called Wildlife Services. Its job is to help protect agricultural and other resources from threats and damage by wildlife. Often that means helping farmers deal with unwelcome visitors.

One example from Wildlife Services of its work concerned a farmer in Washington State, in the Pacific Northwest. Several years ago, thousands of Canada geese landed on his fields. The geese began to eat his carrot crop.

Biologists from the program suggested that the farmer use noise-making devices and other measures to scare the large birds away. These efforts succeeded.

Wildlife Services also has a livestock(家禽) protection program. The agency kills foxes, wolves and other predators(食肉動物). Some people, however, who are against it, say too many animals are killed that do not do harm to livestock.

The Wildlife Services program is part of the Animal and Plant Health Inspection Service (APHIS). APHIS offers some suggestions of ways to keep away predators.

For example, try to keep food and water safe from wildlife. Fences may help keep out wolves, especially if the fences are at least two meters high. For best results, the bottom of the fence should extend(延伸到) about fifteen centimeters into the ground.

The experts also suggest using lights above places where animals are kept. And they advise people who see wolves around their property to chase them away by shouting, making loud noises or throwing rocks.

For home gardeners, a two-meter fence might help keep out deer. To keep out rabbits, a wire fence has to be only about a half-meter high. It should extend over fifteen centimeters underground to keep rabbits from digging under it.

h of the following is Wildlife Services expected to do according to the passage?

A. To protect wildlife that is in danger. B. To help farmers deal with unwelcome wildlife.

C. To help farmers whose families are poor D. To kill unwelcome wildlife

is the farmer mentioned in the second paragraph?

A. To show how Wildlife Services was set up. B. To show what serious trouble farmers are in.

C. To show what Wildlife Services does D. To show how harmful Canada geese are.

are some people against the livestock protection program?

A. Because too many harmless animals are also killed.

B. Because too much noises are made.

C. Because it costs too much money.

D. Because they don’t think it successful in protecting the livestock.

h of the following ways is not suggested if wolves are seen?