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During the Spring Festival holiday, the Siberian Tiger Park in Harbin received a large number of visitors. Many tourists enjoyed feeding the tigers, but too much food caused health risks for the big cats. To solve this problem, the park started a special “light-fasting” plan.

The park is home to more than 300 Siberian tigers, and about 200 live in the free-range areas. Siberian tigers are critically endangered animals. The park plays an important role in protecting and studying them.

There are 13 free-range areas in the park. Under the new rule, one area is chosen as a light-fasting zone each day. Visitors cannot feed meat to the tigers there. The other areas still allow feeding. This policy (政策) lasts from February 1 to March 31.

Huang Haitao from the park said that overfeeding can harm the tigers’ digestive (消化的) systems and weaken their hunting ability. The light-fasting plan helps the tigers return to healthy eating habits. The park uses signs, bus broadcasts (播送) and workers’ guidance to tell visitors about the rule.

Most visitors understand and support the plan. They learn that controlling food is better than feeding too much. In the future, the park will keep improving its rules to provide a better environment for the tigers.

1.1.Why did the park start the light-fasting plan?

A To save money.

B To keep tigers healthy.

C To attract visitors.

D To stop feeding totally.

解析：选B。B 细节理解题。根据第一段的“too much food caused health risks... To solve this problem, the park started a special ‘light-fasting’ plan.” 可知，推出该计划是为了解决老虎的健康问题，保证老虎健康。故选B。

2.2. How many tigers live in the free-range areas?

A About 200.

B About 130.

C About 300.

D About 400.

解析：选A。A 细节理解题。根据第二段的“about 200 live in the free-range areas”可知，大约有 200 只老虎生活在散养区。故选 A。

3.3. How long will the policy last?

A For one month.

B For two months.

C For three months.

D For four months.

解析：选B。B 数字计算题。根据第三段的“This policy lasts from February 1 to March 31.”可知，政策从 2 月 1 日到 3 月 31 日，持续两个月时间。故选 B。

4.4. What does the underlined word “weaken” mean?

A 预防

B 保护

C 巩固

D 减弱

解析：选D。D 词义猜测题。根据第四段的 “overfeeding can harm the tigers’ digestive systems and weaken their hunting ability” 可知，过量喂食对老虎有害，会降低它们的捕猎能力，因此 weaken 意为 “减弱”。这也是公园实行 “轻禁食” 计划的重要原因：防止老虎捕猎能力下降，保护老虎的天性。故选D。

5.5. What do most visitors think of the plan?

A They dislike it.

B They miss it.

C They accept it.

D They doubt it.

解析：选C。C 细节理解题。根据第五段的 “Most visitors understand and support the plan.” 可知，大多数游客理解并支持该计划，即他们接受这个计划。故选C。