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C
Natural wonders are valuable gifts from the earth. They include mountains, lakes, deserts, rainforests and other amazing landscapes. These wonders not only showcase the beauty of nature but also play a crucial role in keeping the earth’s ecological balance（生态平衡）.
However, many natural wonders are facing serious threats（威胁）. Human activities such as pollution, over-development and illegal（非法的）hunting have damaged some of these treasures. For example, Mount Qomolangma is polluted by climbers’ rubbish, Lake Baikal is affected by factory waste, and rainforests are being cut down for wood. If we do not take action, these wonderful landscapes may disappear forever.
Protecting natural wonders is not only the responsibility of governments but also of every person. Here are some useful ways we can help: First, follow the rules when visiting natural wonders—do not litter, do not damage plants or animals, and do not make too much noise. Second, spread environmental awareness（环保意识）to our family and friends, encouraging more people to join in protection activities. Small actions in daily life can make a big difference to the environment. Third,
support environmental protection policies and organizations.
We should remember that natural wonders cannot be replaced. They are not only for us to enjoy but also for future generations（一代）. By working together, we can protect these precious gifts and ensure that the earth remains beautiful and vibrant（生机勃勃的）.
(
A. The threats facing natural wonders and their causes.
B. The different types of natural wonders around the world.
C. The importance of natural wonders and how to protect them.
(
A. Natural disasters.
B. Human activities.
C. Climate change and global warming.
(
A. Stop all development projects near natural wonders.
B. Donate large amounts of money to environmental organizations.
C. Follow visiting rules, spread environmental awareness and support environmental policies.
(
A. They are easy to rebuild.
B. They can bring economic benefits.
C. They are valuable and important to the earth.
Natural wonders are valuable gifts from the earth. They include mountains, lakes, deserts, rainforests and other amazing landscapes. These wonders not only showcase the beauty of nature but also play a crucial role in keeping the earth’s ecological balance（生态平衡）.
However, many natural wonders are facing serious threats（威胁）. Human activities such as pollution, over-development and illegal（非法的）hunting have damaged some of these treasures. For example, Mount Qomolangma is polluted by climbers’ rubbish, Lake Baikal is affected by factory waste, and rainforests are being cut down for wood. If we do not take action, these wonderful landscapes may disappear forever.
Protecting natural wonders is not only the responsibility of governments but also of every person. Here are some useful ways we can help: First, follow the rules when visiting natural wonders—do not litter, do not damage plants or animals, and do not make too much noise. Second, spread environmental awareness（环保意识）to our family and friends, encouraging more people to join in protection activities. Small actions in daily life can make a big difference to the environment. Third,
support environmental protection policies and organizations.
We should remember that natural wonders cannot be replaced. They are not only for us to enjoy but also for future generations（一代）. By working together, we can protect these precious gifts and ensure that the earth remains beautiful and vibrant（生机勃勃的）.
(
C
)8. What is the main idea of the passage?A. The threats facing natural wonders and their causes.
B. The different types of natural wonders around the world.
C. The importance of natural wonders and how to protect them.
(
B
)9. Which of the following is a threat to natural wonders?A. Natural disasters.
B. Human activities.
C. Climate change and global warming.
(
C
)10. What can people do to protect natural wonders?A. Stop all development projects near natural wonders.
B. Donate large amounts of money to environmental organizations.
C. Follow visiting rules, spread environmental awareness and support environmental policies.
(
C
)11. Why should we protect natural wonders?A. They are easy to rebuild.
B. They can bring economic benefits.
C. They are valuable and important to the earth.
答案
8.C 9.B 10.C 11.C
