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沪教版英语七年级上册Unit6 Mountains and Rivers暑假预习讲义
单元知识点详解
核 心 词 汇 自然景观：mountain（山）、river（河）、valley（山谷）、waterfall（瀑布）、lake（湖）、forest（森林）、canyon（峡谷）、plain（平原）
地理特征：peak（山峰）、slope（山坡）、source（源头）、delta（三角洲）、tributary（支流）、cliff（悬崖）、basin（盆地）、plateau（高原）
相关动词：flow（流动）、erupt（喷发）、freeze（结冰）、rise（上升）、descend（下降）、erode（侵蚀）、expand（扩展）、merge（汇合）
重 点句型 描述自然景观： The Yangtze River is the longest river in Asia. Mount Everest rises 8,848 meters above sea level.
比较地理特征： This mountain is higher than that one. The Amazon River is much wider than the Thames.
表达自然现象： The river flows from west to east. The volcano erupted last year.
3.语法重点
形容词比较级和最高级：
high - higher - highest
wide - wider - widest
beautiful - more beautiful - most beautiful
量词表达：
a piece of land
a drop of water
a range of mountains
方位介词：
in the north/south
to the east/west of
on the bank of
at the foot of
知识演练场
一：词汇运用（20分）
A. 根据首字母提示完成单词（10分）
1. The Nile is the longest r______ in the world.
2. Mount Qomolangma is the highest m______ peak.
3. The water f______ looks very beautiful in sunlight.
4. The Yellow River flows through several p______.
5. There are many pine trees on the mountain s______.
B. 选词填空（10分）
[valley, source, delta, tributary, basin]
1. The river's ______ is in the Tibetan Plateau.
2. The Yangtze River ______ is very fertile.
3. A small ______ joins the main river here.
4. The village is located in a beautiful ______.
5. The Tarim ______ is the largest inland basin in China.
二、语法巩固（25分）
A. 用所给形容词的正确形式填空（10分）
1. The Amazon is ______ (wide) than the Yangtze.
2. This is ______ (deep) lake in the world.
3. The scenery here is ______ (beautiful) than in my hometown.
4. That mountain is not as ______ (high) as Mount Tai.
5. The Nile is ______ (long) river in Africa.
B. 用适当的介词填空（10分）
1. The village lies ______ the foot of the mountain.
2. There is a small island ______ the middle of the lake.
3. Tibet is ______ the southwest of China.
4. The ship is sailing ______ the river.
5. Many cities are built ______ rivers.
C.改写句子（5分）
1. The Yangtze River is long. The Yellow River is longer.（合并为比较句）
The Yellow River ______ the Yangtze River.
2. Mount Everest is 8,848 meters high.（对划线部分提问）
______ is Mount Everest
3. This river flows into the sea.（改为一般疑问句）
______ this river ______ into the sea
三、情景对话（10分）
补全对话：
A: Have you ever been to the Yellow Mountain
B: ______
A: What's it like there
B: ______
A: How high is the highest peak
B: ______
A: What's the most impressive scenery there
B: ______
四、阅读理解（25分）
A. 阅读判断正误（10分）
The Grand Canyon is one of the most spectacular natural wonders in the world. Located in Arizona, USA, it is 446 kilometers long and up to 29 kilometers wide. The Colorado River flows through the canyon, creating its amazing shapes over millions of years. The best way to see the canyon is from the South Rim, where most visitors go.
（ ）1. The Grand Canyon is in Africa.
（ ）2. It is about 450 kilometers long.
（ ）3. The Mississippi River flows through it.
（ ）4. The canyon was formed quickly.
（ ）5. Most tourists visit the South Rim.
B. 阅读选择（15分）
The Three Gorges of the Yangtze River is one of China's most famous natural landscapes. It consists of Qutang Gorge, Wu Gorge and Xiling Gorge. The total length is about 192 kilometers. The cliffs on both sides rise steeply from the river, creating breathtaking views. After the construction of the Three Gorges Dam, the water level rose, changing some of the scenery but also creating new beautiful sights.
（ ）1. How many gorges are there in the Three Gorges
A. Two B. Three C. Four
（ ）2. What is the total length of the Three Gorges
A. About 100 kilometers
B. About 200 kilometers
C. About 300 kilometers
（ ）3. What happened after the dam was built
A. The water level dropped
B. The water level rose
C. Nothing changed
（ ）4. What makes the scenery special
A. The steep cliffs
B. The wide plains
C. The small islands
（ ）5. Which word best describes the views
A. Boring B. Ordinary C. Breathtaking
五、书面表达（20分）
题目：A Beautiful Natural Place I Visited
要求：
1. 介绍你参观过的一个自然景点
2. 描述它的地理位置和主要特点
3. 说明你为什么喜欢这个地方
4. 不少于80词
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
答案
一、词汇运用
A. 1. river 2. mountain 3. waterfall 4. plains 5. slope
B. 1. source 2. delta 3. tributary 4. valley 5. Basin
二、语法巩固
A. 1. wider 2. the deepest 3. more beautiful 4. high 5. the longest
B. 1. at 2. in 3. in 4. on 5. along
C. 1. is longer than 2. How high 3. Does; flow
三、情景对话
B: Yes, I went there last summer.
B: It's very beautiful with amazing rocks and pine trees.
B: It's about 1,864 meters high.
B: The sunrise and sea of clouds are most impressive.
四、阅读理解
A. 1.F 2.T 3.F 4.F 5.T
B. 1.B 2.B 3.B 4.A 5.C
五、书面表达
（参考范文）
A Beautiful Natural Place I Visited
Last year I visited Jiuzhaigou Valley in Sichuan Province. It's a beautiful valley with colorful lakes and waterfalls. The water is so clear that you can see the bottom. Many trees surround the lakes, making the scenery like a painting.
I like this place because the air is fresh and the environment is peaceful. The most impressive thing was the Five-Color Pond, whose water shows different colors. I took many photos there. It's really a wonderful gift from nature.

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