题目内容：

 

Flamingos, a kind of birds, are famous for their bright pink feathers, thin legs, and S-shaped necks. They can ___________to be 50 inches tall and nearly 9 pounds in weight. Their wings can be ___________ to 60 inches long. Their favorite foods are shrimp, snails and some water plants.

As social animals, flamingos enjoy___________friendships. It is reported that friendships between flamingos usually last for years.

From a five-year study, we know that flamingos often spend time with their close friends, but they___________some other flamingos that they don’t like.

Researchers at the University of Exeter, UK, did a_____________ on four flamingo types and found several social bonds (纽带), including “married” couples, same-sex friendships and even groups of three and four close friends. “Our results___________that flamingo societies are complex. They have long-standing friendships rather than random (随意的) connections.” said Paul Rose, one of the researchers.

They don’t_____________find a partner and spend all of their time with them. When they have found partners, they still have other friends. It tells us that long-lasting friendships may be important for them to_________in the wild.

This finding could help zookeepers take better care of flamingos. They can be careful not to___________flamingos that are close with each other.

According to an international report, flamingos are not threatened ( 受到威胁的) at present.____________, Chilean and James’ flamingos are near threatened because their numbers are small or going down. For example, the total James’s flamingo population is about 106,000.

1.A.feed B.jump C.grow D.raise

2.A.collected B.spread C.discovered D.brought

3.A.lasting B.exciting C.challenging D.interesting

4.A.remain B.avoid C.check D.expect

5.A.research B.system C.course D.reply

6.A.show B.compare C.attract D.shape

7.A.simply B.luckily C.secretly D.terribly

8.A.save B.fight C.increase D.survive

9.A.force B.admire C.separate D.connect

10.A.So B.However C.Otherwise D.Moreover