短文内容相符的最佳选项。
A
China has four national parks to protect some endangered animals.
a
Name:Sanjiangyuan National Park
Location:Qinghai Province
Located on the Qinghai-Xizang Plateau（高原）, Sanjiangyuan is home to hundreds of wild animals. The Sanjiangyuan area is also called "China's water tower".
b
Name:Wuyi Mountain National Park
Location:Fujian and Jiangxi Provinces
The park has the most complete, most typical（典型的）, and largest area of the native forest. It is known as the birds' fun park, the kingdom of snakes and the world of insects.
c
Name:Giant Panda National Park
Location:Sichuan, Shaanxi（陕西） and Gansu Provinces
The park holds more than 70% of China's wild giant pandas. Besides "the national treasures" of China, the park is also home to some highly protected animals, including the snub-nosed monkeys（金丝猴）.
d
Name:Hainan Tropical Rainforest National Park
Location:Hainan Province
The park covers less than 0.046% of the country's land, yet it is home to almost 20% of the country's amphibians（两栖动物） and 38.6% of China's birds, which are native to the island.
()16. Which national park is called "China's water tower"?
A. Sanjiangyuan National Park.
B. Wuyi Mountain National Park.
C. Giant Panda National Park.
D. Hainan Tropical Rainforest National Park.
()17. Match the parks a-d with two topics: ①The park lies within one province; ②The park lies in more than one province. Which of the following is RIGHT?
A. ①—ab ②—cd
B. ①—ad ②—bc
C. ①—ac ②—bd
D. ①—a ②—bcd
()18.【新考法·图文匹配】What animal may NOT be seen at Wuyi Mountain National Park?

()19. Why does the writer use numbers to introduce Park d?
A. To ask people to plant more trees.
B. To show the importance of the park.
C. To introduce different kinds of animals.
D. To tell why the National Park is in Hainan.
()20. What's the theme of the passage?
A. Human and society.
B. Human and nature.
C. Animals and nature.
D. Nature and development.

16. A 17. B 18. C 19. B 20. B