一、根据句意及汉语或首字母提示写出单词。
1. The number of the (鲸) is getting smaller and smaller because of human activities.
2. Students have different (原因) for joining the club. Some want to learn new things, some want to make friends and some want to have fun.
3. I'm busy (准备) for the school art show. Could you please take the dog for a walk?
4. The coach gave Lily some useful advice and she m to improve herself in a short time.

1. whales 2. reasons 3. preparing 4. managed

二、用方框中所给单词或短语的适当形式填空(其中有一个是多余的)。
mean begin feed kind in danger invite
1. Some wild animals are . We should try our best to save them.
2. — After the of Spring, everything turns green in China.
— Yes. The daytime is becoming longer and the weather is becoming warmer after it.
3. — Will you think about keeping a cat?
— No. I once had three cats but always forgot them in time.
4. — Will you come to my birthday party this Saturday, Helen?
— Sorry, I'm afraid I can't. Anyway, thanks for your .
5. — Why do you want to be a scientist? — Because it is an exciting and job.

1. in danger 2. Beginning 3. to feed 4. invitation 5. meaningful

三、单项选择。
1. There are more and more Yangtze finless porpoises in Jiangsu because people have already taken action them.

A.to protect
B.protecting
C.protected
D.protects

1. A

2. Many people don't trust driverless cars now, but I think more and more people will them in the future.

A.share
B.accept
C.complete
D.receive

2. B

3. — How did you manage the race?
— I just chose pushing myself until I got to the finish line.

A.to finish; keep
B.finish; to keep
C.to finish; to keep
D.to finish; keeping

3. C

4. Granny sat there and watched the kids sure they wouldn't make too much noise.

A.to make
B.make
C.making
D.made

4. A

5. — I often see a boy with a dog behind your house. Who is he?
— He is my little brother.

A.playing
B.play
C.to play
D.plays

5. B

四、请认真阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Wolves are amazing animals that play a big role in nature. Their 1. (important) to the environment is huge—they help 2. (keep) forests healthy by balancing animal populations.
These clever creatures use sharp 3. (hunt) skills to catch their food. They work in teams, chasing their food 4. deer or rabbits. Wolves are most active in the 5. (dark) of night, using their excellent hearing and smell to find food.
When wolves sense danger, they take quick 6. (act) to stay safe. Mothers will do anything 7. (protect) their babies, showing strong family bonds.
8. wolves don't show feelings like humans, they communicate through howls(嗥叫) and body language. After a hunt, wolves share food and eat together. This helps them get through 9. tough winters. While they spend most of their time caring for 10. (they) and their families, they rarely bother humans.
By learning about wolves, we understand how all living things are connected. Let's respect these smart hunters and the wild places they call home!

1. importance 2. keep 3. hunting 4. like 5. darkness 6. action 7. to protect 8. Though 9. the 10. themselves