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2025年暑假总动员七年级英语外研版合肥工业大学出版社
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C
①Can trees talk? Some scientists find that trees can really “talk”!
②Some trees use chemicals(化学物质) to talk. When insects attack them, they gives out chemicals from the leaves. This is like a call for help: “I'm being attacked!” Some of these chemicals drive insects away. Others can call birds to come to kill the insects. Scientists hope to learn more about this, so that we can use it to keep insects away from crops like rice.
③More surprisingly, trees also use sound to talk. People can't hear these sounds, but trees are making them. Some plants make noises with their roots. Some trees make noises when there is not enough water.
④Most surprisingly of all, trees have an “internet” to give out and get information in a big forest. Scientists call it the “Wood Wide Web”(树联网). The fungi(真菌) underground help build up the “Wood Wide Web” among the roots of different trees. It is just like the internet we use. Using the “Wood Wide Web”, trees can share information and even food with each other. However, it may also be harmful. Some trees may use it to take too much food from others, or give out chemicals to hurt other plants. Perhaps one day scientists will learn how to build a “Great Wall” to help stop these.
⑤Trees talk to each other in different ways. Now, scientists are learning more about these ways and maybe one day we will be able to “talk” with trees ourselves.
()1. Trees can “talk” in different ways. How many ways does the passage show?
A. One. B. Two.
C. Three. D. Four.
()2. What does the word “attack” mean in Paragraph 2?
A. Hurt. B. Burn.
C. Protect. D. Catch.
()3. Why may trees make noise according to Paragraph 3?
A. They want to use chemicals.
B. They need more water to keep alive.
C. They would like to share information.
D. They hope people to hear their sound.
()4. If there is no rain for a long time, what disadvantages(坏处) may the “Wood Wide Web” bring?
A. Insects may eat more leaves.
B. Fungi may not be able to work.
C. Some trees may take in water from others.
D. Scientists may build up a wall in the forest.
()5. What is the structure of the passage?
A. ①②③④⑤
B. ①②③④⑤
C. ①②③④⑤
D. ①②③④⑤
①Can trees talk? Some scientists find that trees can really “talk”!
②Some trees use chemicals(化学物质) to talk. When insects attack them, they gives out chemicals from the leaves. This is like a call for help: “I'm being attacked!” Some of these chemicals drive insects away. Others can call birds to come to kill the insects. Scientists hope to learn more about this, so that we can use it to keep insects away from crops like rice.
③More surprisingly, trees also use sound to talk. People can't hear these sounds, but trees are making them. Some plants make noises with their roots. Some trees make noises when there is not enough water.
④Most surprisingly of all, trees have an “internet” to give out and get information in a big forest. Scientists call it the “Wood Wide Web”(树联网). The fungi(真菌) underground help build up the “Wood Wide Web” among the roots of different trees. It is just like the internet we use. Using the “Wood Wide Web”, trees can share information and even food with each other. However, it may also be harmful. Some trees may use it to take too much food from others, or give out chemicals to hurt other plants. Perhaps one day scientists will learn how to build a “Great Wall” to help stop these.
⑤Trees talk to each other in different ways. Now, scientists are learning more about these ways and maybe one day we will be able to “talk” with trees ourselves.
()1. Trees can “talk” in different ways. How many ways does the passage show?
A. One. B. Two.
C. Three. D. Four.
()2. What does the word “attack” mean in Paragraph 2?
A. Hurt. B. Burn.
C. Protect. D. Catch.
()3. Why may trees make noise according to Paragraph 3?
A. They want to use chemicals.
B. They need more water to keep alive.
C. They would like to share information.
D. They hope people to hear their sound.
()4. If there is no rain for a long time, what disadvantages(坏处) may the “Wood Wide Web” bring?
A. Insects may eat more leaves.
B. Fungi may not be able to work.
C. Some trees may take in water from others.
D. Scientists may build up a wall in the forest.
()5. What is the structure of the passage?
A. ①②③④⑤
B. ①②③④⑤
C. ①②③④⑤
D. ①②③④⑤
答案：
1. C 2. A 3. B 4. C 5. A
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