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

Ⅰ. 1. wonders 2. kilometres 3. depth
4. unusual 5. development

【分析】这类题需结合句子结构、语境及语法规则判断单词的适当形式：1. "one of"后接可数名词复数；2. "several"后接可数名词复数；3. "the"后需接名词；4. "be"动词后接形容词作表语；5. "with the + 名词 + of"是固定结构，需用名词形式。
【解析】1. 固定搭配"one of + 可数名词复数"表示“……之一”，此处指自然奇观，故填wonder的复数形式wonders；2. "several"（几个）修饰可数名词复数，此处表距离单位，故填kilometre的复数形式kilometres；3. 定冠词"the"后需接名词，此处询问水的深度，故填名词depth；4. 系动词"is"后接形容词作表语，结合语境“南方城市春天见雪”是不寻常的，故填形容词unusual；5. 固定结构"with the development of..."表示“随着……的发展”，此处需用名词，故填development。
【答案】Ⅰ. 1. wonders 2. kilometres 3. depth 4. unusual 5. development
【知识点】可数名词复数变化、形容词作表语、名词词义辨析
【点评】本题考查基础词汇的适当形式运用，涉及名词复数、形容词用法及固定搭配，属于英语基础题型，侧重对核心词汇的掌握，适合巩固基础。
【难度系数】0.8

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

【分析】
本题为英语完成句子题，需结合中文提示，运用英语固定搭配、词汇用法及语法规则填写内容。解题时要对应中文含义回忆对应的英语表达，注意名词单复数、固定短语结构、形容词最高级的用法等细节。
1. 中文“平方千米”需匹配英语表达，且数词100后名词用复数；
2. 中文“海平面以下”是固定英语短语；
3. 中文“最大的沙漠”需用形容词最高级，最高级前加定冠词the；
4. 中文“河面上”指河的表面，对应固定所属关系短语；
5. 中文“河底”对应固定的方位短语。
【解析】
1. “平方千米”的英语是square kilometre，数词100大于1，名词需用复数形式，故填square kilometres；
2. “在海平面以下”的固定英语表达为below sea level，符合题意；
3. 表示“最大的”用形容词最高级biggest，最高级前必须加定冠词the，“沙漠”对应desert，故填the biggest desert；
4. 表示“……的表面”的固定短语是the surface of，因此“河面上”为the surface of the river；
5. 表示“在……的底部”的固定短语是at the bottom of，因此“河底”为at the bottom of the river。
【答案】
1. square kilometres 2. below sea level 3. the biggest desert 4. the surface of 5. at the bottom of
【知识点】
固定短语搭配、名词单复数、形容词最高级
【点评】
本题考察初中英语基础词汇与固定短语的运用，涉及地理相关的常用表达，属于基础题型，只要平时积累相关短语和语法规则即可完成，难度适中。
【难度系数】
0.7

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. 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 between China and Vietnam. It breaks into three falls. The falls are separated by rocks and trees. It is the largest transnational 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.
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

【分析】
本题为英语阅读理解细节理解题，解题思路是：先阅读题干划出关键词，再回到原文定位对应信息，将选项与原文内容逐一比对，选出匹配的答案。第1题关键词为"World Water Day"，定位原文第一段；第2题关键词为"largest transnational waterfall in Asia"，定位第三段；第3题关键词为"Hukou Waterfall"，定位第四段，通过精准定位原文信息即可得出答案。
【解析】
1. 题干问世界水日告诉人们什么，原文第一段第二句明确说明"It is a day to tell people about the importance of water protection."，对应选项C；A选项噪音污染、B选项动物保护、D选项空气污染均与原文不符，故选C。
2. 题干问亚洲最大的跨国瀑布，原文第三段最后一句提到"It is the largest transnational waterfall in Asia."，句中"It"指代前文的"Detian Waterfall"，对应选项B，其余选项均不符合，故选B。
3. 题干问壶口瀑布的特别之处，原文第四段第二句指出"It's the largest yellow waterfall in the world."，对应选项B；A选项原文未提及，C选项是德天瀑布的特点，D选项也是德天瀑布的特征，故选B。
【答案】
1.C 2.B 3.B
【知识点】
英语阅读理解（细节理解题）
【点评】
本题为基础的阅读理解细节题，考查学生快速定位原文信息的能力，只要仔细阅读原文，找准关键词对应的内容即可轻松解答，属于难度较低的题目。
【难度系数】
0.2