基础巩固
Ⅰ.用所给单词的适当形式填空
1. The Grand Canyon is one of the natural
(wonder) of the world.
2. The village is several (kilometre)
from the nearest town.
3. Do you know what the (deep) of
the water here is?
4. To the people of this southern city, it is
(usual) to see snow in spring.
5. With the (develop) of science and
technology, China is changing day by day.

Ⅰ.1. wonders 2. kilometres 3. depth
4. unusual 5. development

Ⅱ.完成句子
1. 他的家乡在山脚下,占地大约100平方千米。
His hometown is at the foot of a hill and it has
an area of about 100 .
2. 该国四分之一以上的地区位于海平面以下。
More than a quarter of the country is
.
3. 撒哈拉沙漠是世界上最大的沙漠。
The Sahara Desert is
in the world.
4. 一些学生喜欢在河面上滑冰。那很危险。
Some students like skating on
the river. It's dangerous.
5. 我在河底发现了一些奇怪的东西。
I found something strange
the river.

Ⅱ.1. square kilometres 2. below sea level
3. the biggest desert 4. the surface of
5. at the bottom of

能力提升

答案略

Ⅲ.阅读理解
22 March is World Water Day. It is a day
to tell people about the importance of water
protection. There are many waterfalls in
China. They are beautiful. They also help the
natural ecosystem(生态系统). Here are four
of them.
Huangguoshu Waterfall is one of the
largest waterfalls in Asia. It is 77.8 metres
high. Its width is 101 metres. The sound of
the water is very loud.
Detian Waterfall lies on the border(边境)
between China and Vietnam(越南). It breaks
into three falls. The falls are separated by rocks
and trees. It is the largest transnational(跨国的)
waterfall in Asia.
Hukou Waterfall sits at the crossing of
two provinces. It's the largest yellow waterfall
in the world. It falls into a deep gorge(峡谷).
Jiuzhaigou Waterfalls are in Sichuan.
There are three main falls. One is Pearl Shoal
Waterfall. The others are Nuorilang Waterfall
and Shuzheng Waterfall.
1. What does World Water Day tell people?
A. The importance of making less noise
pollution.
B. The importance of animal protection.
C. The importance of water protection.
D. The importance of making less air
pollution.
2. Which is the largest transnational waterfall
in Asia?
A. Jiuzhaigou Waterfalls.
B. Detian Waterfall.
C. Hukou Waterfall.
D. Huangguoshu Waterfall.
3. What is special about Hukou Waterfall?
A. It is in the middle of the Yellow River.
B. It is the largest yellow waterfall in the
world.
C. It breaks into three falls.
D. It lies on the border between China and
Vietnam.

Ⅲ.1.C 2.B 3.B