五、完成句子
1. 狼主要以小动物为食。它们经常团队合作。
Wolves small animals. They often .
2. 温迪年龄足够大，能理解节约时间的重要性。
Wendy is old enough time.
3. 感谢你采取行动保护那些处于危险中的动物。
Thanks for .
4. 野生动物在野外生活容易吗？
Is it easy ?
5. 没有什么比在累了一天后与家人共进大餐更令人满足的了。
a big meal with families after a tiring day.
6. 多亏我们的政府，野生动物的数量正变得越来越多。
, the number of the wild animals .

1. live mainly on; work as a group 2. to understand the importance of saving
3. taking action to protect those animals in danger
4. for wild animals to live in the wild
5. There’s nothing more satisfying than enjoying
6. Thanks to our government; is getting larger and larger

六、综合填空
Dolphins are stars in aquariums (水族馆). They bring a lot of joy to people. (1) , dolphins are not happy living in aquariums. A study shows that dolphins in aquariums has much (2) (short) lives than those in the sea. They die of (3) (ill) at a very young age.
(4) (luck), a company in the USA is there to help these dolphins. It has made robot dolphins. The robot dolphins not only look like but also move like real ones. During a test, people thought they (5) (be) real dolphins. "The robot dolphins can swim and dive. People still enjoy (6) (they) while watching the robot ones," a worker in the company said.
One robot dolphin costs about 27 million. Now, an aquarium in China is thinking about (7) (use) them instead of real dolphins.
(8) (save) the sea animals, the company says it will keep making other different kinds of robot animals, such as sharks and seahorses, in the future.
We look forward to (9) (watch) the shows from robot animals. Thanks (10) the company, more and more sea animals will go back to nature and live a happy life.

1. However 2. shorter 3. illnesses 4. Luckily 5. were
6. themselves 7. using 8. To save 9. watching 10. to