四、还原信息(10 分)
The Chinese crested tern(凤头燕鸥)is a type of seabird. The bird is about 30 - 40 cm long,with grey wings and a white body. 1. ______
D
______. According to(根据)a report,there are only about 150 Chinese crested terns all over the world.
The first record of the bird was in 1861. 2. ______
E
______. Scientists once believed that it may die out. Amazingly,over 60 years later,some birdwatchers saw some in Fujian and Zhejiang.
Scientists working in a nature reserve in Zhejiang wanted those birds to stay there. They built some artificial nests(人工鸟巢). They even put some hand-made birds of the same size as Chinese crested terns there. 3. ______
A
______. More Chinese crested terns flew to the islands and laid their eggs.
Chinese crested terns lay eggs as the weather gets warmer. 4. ______
F
______. During their stay in Zhejiang,volunteers from a Chinese crested tern protection group help with a lot of work. They record the information of every bird on the islands. They help them lay eggs safely. 5. ______
G
______.
Hope there will be more and more Chinese crested terns flying in the sky.
A. Everything went well.
B. Bird-lovers come here.
C. It lives in a very special way.
D. The number of the birds is very small.
E. However,after the 1940s,people couldn't find them.
F. When it gets cold,they fly to southern areas to spend the winter.
G. Also,the volunteers drive away dangerous animals like snakes and mice.