2026年长江作业本同步练习册八年级英语下册人教版第45页答案
根据句意及汉语提示完成句子
1. Mount Qomolangma is one of the natural
wonders
(奇迹) in the world.
2. Both players are on the same
level
(水平) now. No one can easily beat the other.
3. First, break the chocolate into
squares
(正方形).
4. We can see fish swimming just below the
surface
(表面) of the water.
5. It is impossible to change the laws of
nature
(大自然).

答案

1. wonders 2. level 3. squares 4. surface 5. nature
阅读理解
The Grand Canyon (科罗拉多大峡谷) is one of the most amazing natural wonders in the world. It is located in Arizona, USA. It was carved over millions of years by the powerful Colorado River. The rock layers (岩层) tell a long story, with the oldest ones at the bottom being nearly two billion years old.
It is famous for its huge size and breathtaking views. The canyon is about 446 kilometers long, up to 29 kilometers wide and over 1. 6 kilometers deep. When you look at the canyon, you can see colorful rock layers. Each rock layer tells a different story about our planet's long history.
This famous place attracts millions of visitors from different countries all over the world every year. Many tourists start by walking along the top, enjoying the perfect views for photography. Others enjoy hiking down into the canyon. Helicopter tours are also available, offering a fantastic bird's - eye view of the wonderful landscape.
Besides being a popular place for tourists, the Grand Canyon is also important for science. Geologists study its rocks to understand how the Earth was formed (形成), and biologists explore its unique ecosystems. It serves as a giant outdoor classroom, teaching us about our planet's changes. Protecting this priceless wonder for the future is a responsibility (责任) we all share.
(
C
)1. The underlined word “carved” in Paragraph 1 most probably means
.
A. found
B. covered
C. shaped
D. painted
(
C
)2. Which of the following is mentioned as a way to visit the Grand Canyon?
① Taking helicopter tours.
② Walking down into the canyon.
③ Studying the birds in the canyon.
④ Swimming in the Colorado River.
⑤ Taking photos of the amazing views.
A. ①②③
B. ②④⑤
C. ①②⑤
D. ③④⑤
(
D
)3. According to the passage, why is the Grand Canyon important for scientists?
A. Because it is very long and deep.
B. Because it has many colorful rocks.
C. Because it is a good place for helicopter tours.
D. Because it helps them to learn about the Earth.
(
B
)4. What is the writer's attitude towards the Grand Canyon?
A. Interested and moved.
B. Admiring and caring.
C. Doubtful and unsure.
D. Surprised and confused.
(
D
)5. What is the main purpose of the passage?
A. To tell the history of the Colorado River.
B. To encourage more people to visit the USA.
C. To explain how the Grand Canyon was formed.
D. To describe a natural wonder and its importance.

答案

1.C 2.C 3.D 4.B 5.D