D．Some unruly tigers are preying on some animals.

　　解析：选C　细节理解题。根据文章第四段中的"And in the young tiger area ... playing and fighting with each other in a pool nearby"可知，选C项。

　　2．The exhibition hall in the park tells us that the information on tigers ________.

　　A．is very simple

　　B．is unknown to most people

　　C．is entirely shown in detail

　　D．lets you know all you want

　　解析：选C　推理判断题。根据文章最后一段中的"in pictures and samples as well as in words, which helps to complete what we know"可推知，展厅里老虎的资料详实、具体。

　　3．What would be the best title for the passage?

　　A．The Valuable Species - Siberian Tiger

　　B．The Largest Feline in the World

　　C．Popular Science Exhibition Hall in the Park

　　D．The Siberian Tiger Park

　　解析：选D　标题归纳题。根据全文的内容可知，文章主要介绍了这座始建于1996年，迄今为止世界上最大的野生东北虎自然公园。故D项正确。

　　B

　　Tonya, Elsa and Mark are students at LaGuardia High School in New York City. It's a school with regular academic (学术的) classes, but it also gives special attention to the performing arts. Tonya likes dancing, Elsa wants to be an artist and Mark is a singer.

　　The students are all 15, and they're in 10th grade. They study subjects like English, math, social studies, science and PE. They also choose a foreign language: French, Italian, Spanish or Japanese. Students have many academic classes, but during the school day they also take classes in the arts, like theater, art, dance and music. Mark says, "I get the basic classes, but I also take a voice class and a music history class."

　　There is even more for LaGuardia students after school. There are more than 40 clubs for students. For example, there's a movie club, a music club and an environment club. "We have so many choices here，" says Tonya. "My favorite club is the camera club. I like taking photos. It's also a great way to meet people with common interests."

Students at LaGuardia can also do many sports. For example, they can play basketball, tennis, volleyball and soccer. Elsa is on the gymnastics team. She says, "I like being on a team. It makes me work hard and do my best." Students practice after school. They compete