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Unit 4 Amazing Plants and Animals 单元测试卷
（不含听力，满分：120 分 考试时间：90 分钟）
班级：________ 姓名：________ 得分：__________
一、完形填空（共 10 小题，每小题 2 分，满分 20 分）
Last month, I joined a summer camp in the Amazon rainforest. Our guide told us to stay together and not to touch any unknown plants.
When we walked into the forest, we 1______ the sound of strange birds at once. It was really quiet except for those sounds. Our guide pointed at a big tree with long 2______ hanging down. "That's a banyan tree. It can grow into a forest by itself!" he said. We all felt 3______ .
Then we saw a small animal 4______ on a leaf. It looked like a leaf too! Our guide said it was a leaf insect. It uses this skill to 5______ from enemies. Some of us wanted to take a photo, but the guide stopped us. "Don't 6______ it. It will get scared and run away."
At noon, we sat under a tree to have lunch. A monkey suddenly came down and took a banana from our bag. We laughed and watched it jump back to the tree. During the afternoon, we learned how to 7______ different plants and animals. We also learned that many of them are in danger because people cut down too many trees.
On the last day, we made a poster to tell people to 8______ these amazing plants and animals. We all felt that this trip was 9 ______. We learned a lot about nature and we also knew we should 10______ the environment.
1．A. heard B. saw C. felt D. smelled
2．A. flowers B. roots C. branches D. fruits
3．A. bored B. surprised C. tired D. relaxed
4．A. sleeping B. running C. jumping D. walking
5．A. hide B. fight C. learn D. fly
6．A. feed B. touch C. catch D. help
7．A. draw B. name C. find D. describe
8．A. protect B. kill C. sell D. study
9．A. useless B. terrible C. wonderful D. boring
10．A. pollute B. destroy C. change D. protect
二、单项填空（共 10 小题；每小题 2 分，满分 20 分）
从每小题所给的 A、B、C、D 四个选项中选出一个可以填入空白处的最佳选项。
1. The Venus flytrap is a ______ plant that can catch insects for food.
A. beautiful B. dangerous C. amazing D. common
2. Most of the wild animals ____ in the forests, but some of them ____ now living in zoos.
A. live; is B. lives; are C. live; are D. lives; is
3. The panda looks ______ in its black-and-white coat. Everyone likes it.
A. strange B. lovely C. scary D. ugly
4. —Did you see ______ interesting in the museum of natural history
—Yes, I saw a dinosaur skeleton that was 20 meters long.
A. anything B. something C. nothing D. everything
5. This plant ______ be a cactus, but I'm not sure. It has thick leaves and no flowers.
A. must B. might C. can't D. need
6. The koala ____ spends most of its time sleeping in the trees. It looks ____ when it wakes up.
A. it; cute B. itself; lovely C. it; lazy D. itself; tired
7. —Do you have ______ else to tell us about the amazing animals
—______ except that we should protect them.
A. something; Everything B. anything; Nothing
C. something; Nothing D. anything; Everything
8. We can see a lot of colorful birds ______ the tall trees in the rainforest.
A. on B. under C. above D. in
9. —I'm ______ about the endangered animals. What can we do to help them
—We can raise money for animal protection organizations.
A. happy B. worried C. excited D. bored
10. —Do you think we should build more zoos to protect wild animals
—______ Some zoos don't give animals enough space to live.
A. No problem B. I think so C. Not really D. It's up to you
三、阅读理解（共 15 小题，每小题 2 分，满分 30 分）
阅读以下三篇短文，从每小题所给的四个选项中，选出一个与短文内容相符的最佳选项。
(A)
Venus flytraps are amazing plants that can catch and eat insects. They grow in wet, poor soil in parts of the United States. The plant has special leaves that look like small mouths. Each leaf has tiny hairs on its surface.
When an insect lands on the leaf, the hairs sense it and the leaf closes quickly, like a mouth shutting. The insect can't get out. Then the plant produces a liquid that breaks down the insect into food for the plant. It takes about 10 days for the plant to finish eating the insect, and then the leaf opens again to wait for another insect.
Venus flytraps are not dangerous to humans. Their leaves are too small to hurt us. But these plants are in danger because people collect them from the wild and their natural homes are being destroyed.
1. Where do Venus flytraps grow
A. In dry, rich soil. B. In wet, poor soil.
C. In the desert. D. In the cities.
2. What do the leaves of Venus flytraps look like
A. Small mouths. B. Long sticks.
C. Round flowers. D. Thin hairs.
3. How does a Venus flytrap catch an insect
A. Its leaves close quickly when the insect touches the hairs.
B. It uses its roots to pull the insect into the soil.
C. It produces a smell to attract the insect.
D. It jumps to catch the insect in the air.
4. How long does it take for a Venus flytrap to eat an insect
A. About one day. B. About three days.
C. About ten days. D. About a month.
5. Why are Venus flytraps in danger
A. Because they are eaten by humans.
B. Because they can't find enough insects to eat.
C. Because people collect them and destroy their homes.
D. Because they are killed by other plants.
(B)
Sloths are strange but cute animals that live in the forests of Central and South America. They are known for being very slow. Sloths move so slowly that algae (藻类) grows on their fur, making them look green. This helps them hide from enemies.
Sloths spend almost all their time in trees. They sleep for about 15 to 20 hours a day! When they are awake, they eat leaves, fruit and insects. They don't drink water often—they get most of their water from the leaves they eat.
Sloths are good swimmers. Sometimes they come down from the trees to swim in rivers. They can swim faster than they can walk on land.
Sadly, sloths are in danger because people cut down the forests where they live. Many sloths lose their homes and can't survive.
1. Where do sloths live
A. In the deserts of Africa. B. In the forests of Central and South America.
C. In the mountains of Asia. D. In the oceans of Australia.
2. Why do sloths look green
A. Because they eat green leaves. B. Because they swim in green rivers.
C. Because algae grows on their fur. D. Because they paint themselves green.
3. How long do sloths sleep a day
A. About 5 to 10 hours. B. About 10 to 15 hours.
C. About 15 to 20 hours. D. About 20 to 25 hours.
4. What do sloths get most of their water from
A. Rivers. B. Leaves. C. Fruits. D. Insects.
5. Why are sloths in danger
A. Because they are eaten by other animals.
B. Because people cut down their forest homes.
C. Because they can't swim fast enough.
D. Because they don't have enough food to eat.
(C)
Last Friday, our class went on a field trip to the city's nature reserve. Our science teacher, Mr. Li, took us there to learn about plants and animals.
When we arrived, Mr. Li showed us a map and told us what we would do. First, we walked along a path to observe the plants. We saw many different kinds of trees and flowers. Some of them had strange shapes and colors. Mr. Li taught us how to tell the difference between different plants.
Then we went to a small lake. We saw ducks swimming on the water and frogs jumping near the shore. Some students took photos of the animals, while others wrote down what they saw in their notebooks.
At noon, we had a picnic near the lake. We shared our food and talked about what we had learned. After lunch, we played a game where we had to find as many different plants as possible. The group that found the most plants won a prize.
We left the reserve at 3:00 p.m. Everyone was tired but happy. We learned a lot about nature and had a great time together.
1. Where did the class go on their field trip
A. To a zoo. B. To a museum.
C. To a nature reserve. D. To a farm.
2. Who took the class on the field trip
A. Their English teacher. B. Their science teacher.
C. Their math teacher. D. Their PE teacher.
3. What did they do first at the nature reserve
A. They had a picnic. B. They played a game.
C. They observed the plants. D. They went to the lake.
4. What did some students do near the lake
A. They swam in the water. B. They took photos of the animals.
C. They caught frogs. D. They fished.
5. How did the students feel after the trip
A. Tired but happy. B. Bored and tired.
C. Excited but scared. D. Sad and angry.
四、阅读还原（共 5 小题，每小题 2 分，满分 10 分）
Do you know that many plants and animals are in danger 1______ But there are things we can do to help them.
First, we can learn about endangered plants and animals. 2______ Knowing about them is the first step to protecting them.
Second, we can protect their homes. 3______ We can also join clean-up activities to keep their living places clean.
Third, we can not buy products made from endangered animals or plants. 4______ For example, we should not buy ivory products or fur coats made from wild animals.
Finally, we can tell our friends and family about the importance of protecting these amazing living things. 5______ Together, we can make a difference.
A. Many of them are dying because their homes are being destroyed.
B. The more people know, the more they will help.
C. This will stop people from killing them for money.
D. We can plant trees to give animals more places to live.
E. We can read books or watch videos to learn about their habits.
五、阅读短文，从方框中选择适当的词并用其正确的形式填空（每词限用一次）（共 10 小题，每小题 1 分，满分 10 分）
discover, amazing, live, watch, so, by, something, friendly, we, take
Last weekend, our class went to the city zoo 1____ bus. We were all excited to see the 2____ animals there.
When we arrived at the zoo, our guide was very 3____ and showed us around. First, we went to the panda house. We 4____ the pandas eating bamboo and playing with each other. They were 5______ cute that we took a lot of photos.
Next, we visited the rainforest area. We 6____ some strange plants that we had never seen before. Our guide told us that these plants 7____ in hot and wet places.
For lunch, we ate 8____ delicious in the zoo's restaurant. After lunch, we went to the aquarium to see the fish. We even got to 9____ a dolphin show.
What a wonderful day it was! 10______ all had a great time and learned a lot about animals.
六、短文填空（共 10 小题，每小题 1.5 分，满分 15 分）
Last summer, I joined a science club to study 1______ (amaze) plants and animals. Our teacher took us to a mountain area to do some research.
We 2____ (leave) early in the morning and arrived at the mountain at 10:00 a.m. First, we 3____ (look) for different plants. We found a kind of flower that could change color. It was really 4______ (interest).
Then we went to a small river. We saw some fish that 5______ (be) only 2 centimeters long. Our teacher told us that they were a rare kind of fish.
During the trip, we 6____ (learn) how to take care of wild plants and animals. We also learned that many of them 7____ (be) in danger.
At night, we 8____ (camp) near the river. We 9____ (listen) to the sounds of the animals and 10______ (write) down what we had learned that day.
I will never forget this trip. It taught me a lot about nature.
七、书面表达（共 1 题，满分 15 分）
请介绍一种你觉得神奇的植物或动物，内容包括它的外观、习性以及你认为它神奇的原因。
要求：(1) 可围绕主题适当发挥；(2) 80 词左右。
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参考答案
一、完形填空
1.A 2.C 3.B 4.A 5.A 6.B 7.D 8.A 9.C 10.D
二、单项填空
1.C 2.C 3.B 4.A 5.B 6.B 7.B 8.D 9.B 10.C
三、阅读理解
(A)
1.B 2.A 3.A 4.C 5.C
(B)
1.B 2.C 3.C 4.B 5.B
(C)
1.C 2.B 3.C 4.B 5.A
四、阅读还原
1.A 2.E 3.D 4.C 5.B
五、选词填空
1.by 2.amazing 3.friendly 4.watched 5.so 6.discovered 7.live 8.something 9.watch 10.We
六、短文填空
1.amazing 2.left 3.looked 4.interesting 5.were 6.learned/learnt 7.are 8.camped 9.listened 10.wrote
七、书面表达（参考范文）
The Venus flytrap is one of the most amazing plants I know. It grows in wet, poor soil in the US. Its leaves look like small green mouths with tiny hairs. When an insect lands on the leaf, the hairs sense it and the leaf closes quickly. The plant then breaks down the insect for food.
Most plants make food from sunlight, but the Venus flytrap catches insects to get nutrients. Sadly, it's now in danger. We should protect it and its natural home to keep this magic plant alive.

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