题目内容
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. This organization has experts from different fields and it has set up thousands of inquiry agencies all over the country where farmers can explain their difficulty and get practical help.
One example from Wildlife Services of its work involved 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 apparently succeeded, which made the farmer quite happy.
Wildlife Services also has a livestock(牲畜) protection program. The program just offers suggestions to keep those unwelcome visitors away instead of killing them. The Wildlife Services program is part of the Animal and Plant Health Inspection Service, or APHIS. APHIS offers some suggestions of ways to keep away predators (食肉动物).For example, try to keep food and water safe from wildlife. Fences may help keep out coyotes(丛林狼), especially if the fences are at least two meters high. For best results, the bottom of the fence should extend about fifteen centimeters into the ground.
Experts suggest providing secure shelter for chickens, sheep and other animals that could be attacked. The experts also suggest using lights above places where animals are kept. And they advise people who see coyotes 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 fifteen centimeters underground to keep rabbits from digging under it. If snakes are a problem, remove dead trees and cut high grass to destroy their hiding places. And to protect livestock, consider using guard animals such as dogs and donkeys, which are very effective. Due to its effective work, ever since the Wildlife Services was started, it has been well received by farmers all over the States and neighboring countries such as Canada and Mexico.
52. The underlined phrase “unwelcome visitors” in the first paragraph refers to ______.
A. animals that attack the farmers
B. people who don’t care about wildlife
C. animals that do harm to the crops or livestock
D. people who pollute the environment of the farms
53. It can be inferred from the second paragraph that ____.
A. the farmer didn’t have a gun to kill those Canada geese
B. Wildlife Services involves some biologists in its group
C. the cabbage crop was eaten up by the Canada geese
D. the farmers like to eat Canada geese very much
54. What is mainly discussed in the last two paragraphs?
A. Ways to protect livestock. B. Ways to deal with coyotes.
C. How to protect crops. D. How to find wildlife.
55. The bottom of the fence should extend about 15 centimeters into the ground because ____.
A. coyotes can climb over it easily B. the strong wind might blow it away
C. snakes can cross it from under the ground D. rabbits may enter by digging holes under it
CBAD
阅读下面短文,掌握其大意,从下列各各题所给的四个选项(A 、B、C和D)中,选出最佳选项,并在答题卷上将该项涂黑。
These days, it is common to see 5-gallon bottles of water being sent to homes. Supermarket 21
are filled with all kinds of bottled water from simple 22 bottles containing “pure spring water” to expensive foreign types of mineral water in glass bottles. In Europe, bottled water is as 23 as soft drinks which are widely accepted in the United States. People are not only interested in the different choices of drinks, but also in the taste of bottled water and its 24 value.
All bottled water on sale must 25 the content of the water on the bottle. Some companies 26
minerals to give the water a better taste. But the term “mineral water” is 27 , because all water, except specially purified water, contains minerals. 28 must be made to tell people clearly what kind of water people are exactly buying: spring water, mineral water, or purified water. For example, “spring water” will have to come from a(n) 29 spring.
Many people choose bottled water 30 tap water, because they 31 the safety of public drinking water. Some people worry about city water 32 . We need to pay close attention to the cleanliness of our drinking water. The government should be responsible for tap water 33 . It should be tested and checked 34 .
Keep in mind that bottled water is 35 . In many cases, you are paying for water that is not much different from tap water. If you are not sure of the safety of your tap water, have it 36 . A local health department can be of 37 . Compared with the cost of bottled water, the testing cost will be less expensive. Letting cold water 38 for a minute or so before taking a drink or using it in preparing a meal is a good way to 39 possible water pollution, especially if the water has been 40 for an hour or more.
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