Unit 7 What's the highest mountain in the world 习题（含答案） 人教版八年级下册

Unit 7 What's the highest mountain in the world 习题
一、词汇运用（20 分）
A. 根据句意及首字母或汉语提示完成单词。（10 分）
The panda is one of the r________ animals in the world. We should protect them.
The Sahara is the largest d________ in the world.
Qomolangma is the highest m________ in the world.
The Caspian Sea is the d________ salt lake in the world.
China is one of the oldest c________ in the world.
The ________ (人口) of this city is over five million.
The ________ (厚度) of the book is about two centimeters.
There are many ________ (游客) visiting the Great Wall every year.
The ________ (政府) is taking measures to protect the environment.
The ________ (成就) of the scientists are amazing.
B. 用所给词的适当形式填空。（10 分）
This river is ________ (wide) than that one.
The Nile is the ________ (long) river in the world.
Of all the mountains, Qomolangma is the ________ (high).
The Amazon River is one of the ________ (big) rivers in the world.
My sister is much ________ (outgoing) than me.
This city is becoming ________ and ________ (beautiful).
The more you practice, the ________ (good) you will play the piano.
Who is the ________ (heavy), Tom, Mike or Jack
The weather in Beijing is quite ________ (difference) from that in Hainan.
This room is three times as ________ (large) as that one.
二、单项选择（20 分）
从 A、B、C、D 四个选项中，选出可以填入空白处的最佳选项。
( ) 1. —________ is the population of China
—It's about 1.4 billion.
A. How much B. How many C. What D. Which
( ) 2. —________ is the height of that building
—It's about 300 meters.
A. How B. How long C. How far D. How tall
( ) 3. The Yangtze River is ________ than the Yellow River.
A. long B. longer C. the longest D. longest
( ) 4. Mount Qomolangma is ________ than any other mountain in the world.
A. high B. higher C. the highest D. highest
( ) 5. —Which is , the sun, the moon or the earth
—The sun, of course.
A. smaller B. the smallest C. bigger D. the biggest
( ) 6. The Amazon River is one of the ________ rivers in the world.
A. longest B. longer C. long D. most longest
( ) 7. China has a much ________ population than Japan.
A. large B. larger C. largest D. the largest
( ) 8. The baby panda is only 0.1 to 0.2 kilos ________ birth.
A. in B. on C. at D. with
( ) 9. — is the length of this bridge
—It's about 2,000 meters.
A. How B. What C. How long D. How far
( ) 10. This room is ________ that one.
A. three times as big as B. three times as bigger as
C. as three times big as D. as big as three times
三、完形填空（20 分）
阅读下面短文，掌握其大意，然后从各题所给的 A、B、C、D 四个选项中选出一个最佳答案。
The world is full of amazing things. Today, let's talk about some of them.
The Amazon River is one of the 1 rivers in the world. It's about 6,400 kilometers long. It's even 2 than the Nile. The Nile is the longest river in Africa.
The Sahara is the largest 3 in the world. It's about 9,600,000 square kilometers in size. It's very hot and dry there.
The Great Wall of China is one of the greatest wonders in the world. It's more than 6,700 kilometers 4. It's very old and 5.
Qomolangma is the highest mountain in the world. It's over 8,800 meters high. It's very 6 for climbers to reach the top.
These are just some of the amazing things in the world. There are still many others waiting for us to discover.
( ) 1. A. longest B. longer C. long D. the longest
( ) 2. A. long B. longer C. the longest D. longest
( ) 3. A. river B. lake C. sea D. desert
( ) 4. A. wide B. high C. long D. deep
( ) 5. A. famous B. new C. young D. modern
( ) 6. A. easy B. dangerous C. important D. interesting
四、阅读理解（20 分）
阅读下列短文，从每题所给的 A、B、C、D 四个选项中选出最佳选项。
(A)
Qomolangma — the Most Dangerous Mountain
Qomolangma is the highest mountain in the world. It is very dangerous to climb. The weather conditions are very bad. There are very strong winds and it is very cold. Also, the mountain is very high and it is difficult to get enough oxygen. Many people have tried to climb Qomolangma, but not all of them have succeeded. Some people have even lost their lives.
However, many climbers still want to challenge themselves and climb this mountain. They think it is a great achievement to reach the top of Qomolangma.
( ) 1. Why is it very dangerous to climb Qomolangma
A. Because it is very high.
B. Because the weather conditions are bad.
C. Because it is difficult to get enough oxygen.
D. All of the above.
( ) 2. What do some climbers think of climbing Qomolangma
A. It is very easy.
B. It is a great achievement.
C. It is not worth trying.
D. It is too dangerous.
( ) 3. Have all the climbers succeeded in climbing Qomolangma
A. Yes, they have.
B. No, they haven't.
C. We don't know.
D. Only a few have.
(B)
The Sahara
The Sahara is the largest hot desert in the world. It covers an area of about 9,100,000 square kilometers. The climate in the Sahara is very dry and hot. It hardly rains there. The temperature can be very high during the day and very cold at night.
Despite the harsh conditions, there are still some plants and animals that can survive in the Sahara. Some people also live in the Sahara. They have adapted to the difficult environment and have their own ways of life.
( ) 4. How large is the Sahara
A. About 9,000,000 square kilometers.
B. About 9,100,000 square kilometers.
C. About 9,200,000 square kilometers.
D. About 9,300,000 square kilometers.
( ) 5. What is the climate like in the Sahara
A. Wet and hot.
B. Dry and cold.
C. Dry and hot.
D. Wet and cold.
( ) 6. Can some plants and animals survive in the Sahara
A. Yes, they can.
B. No, they can't.
C. We don't know.
D. Only plants can.
五、书面表达（20 分）
请写一篇短文，比较长城（The Great Wall）和金字塔（The Pyramids），包括它们的历史、长度、建造目的等方面。
要求：
语言通顺，逻辑清晰。
不少于 100 词。

参考答案
一、词汇运用
A. 1. rare 2. desert 3. mountain 4. deepest 5. countries
6. population 7. thickness 8. tourists 9. government 10. achievements
B. 1. wider 2. longest 3. highest 4. biggest 5. more outgoing
6. more; more beautiful 7. better 8. heaviest 9. different 10. large
二、单项选择
C 2. D 3. B 4. B 5. D
A 7. B 8. C 9. B 10. A
三、完形填空
A 2. B 3. D 4. C 5. A 6. B
四、阅读理解
(A) 1. D 2. B 3. B
(B) 4. B 5. C 6. A
五、书面表达
The Great Wall and The Pyramids are both famous wonders of the world.
The Great Wall of China has a long history. It was built to defend the country from enemies. It is over 21,000 kilometers long. The construction of the Great Wall was a huge project that involved many workers and took a long time.
The Pyramids in Egypt are also very famous. They were built as tombs for the pharaohs. The most famous pyramids are the Pyramid of Khufu, which is very large and magnificent.
In terms of length, the Great Wall is much longer than the Pyramids. However, both are important symbols of their respective cultures and show the wisdom and hard work of the ancient people. They attract millions of tourists from all over the world every year, and people are amazed by their greatness and mystery.