Question

Many kinds of birds live in the United States, but the number of the birds is becoming smaller every year. One of the leading reasons is the growing number of pet cats. By keeping your pet cats in your home, you can help give birds a better possible chance to live.

Of the 90 million pet cats in this country, about two—thirds are allowed to go outside. It is said that these cats kill hundreds of millions of birds each year, as well as billions of small animals such as rabbits and field mice.

They can also bring illness to the animals that live in people's yard(院子), further weakening the health of the natural populations.

Allowing pet cats to go outside is not just bad for birds and wildlife, it's also bad for the cats themselves. Outdoor cats can get sick very easily. They are in danger from traffic and attacks from other animals. In fact, outdoor cats usually don't live past the age of five, while indoor cats often live to be 17 or older.

Keep your pet cat inside! If you raise a young cat, it's your duty to let it play inside.

Problem	The number of birds is becoming 1. ; at the same time, many pet cats are in 2. from traffic and attacks from other animals.
3. for the problem	Pet cats are 4. to go outside freely.
What to do	People who raise a young cat have the 5. to let it play inside.

 

Answer 1

1.smaller

2.danger

3.Reason

4.allowed

5.duty

【解析】

试题分析：许多种鸟类生活在美国，但鸟的数量是逐年减少。最主要的原因之一是越来越多的宠物猫。保持你的宠物猫在你家，可以帮助给鸟儿一个更好的机会去生活。

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