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二、用括号内所给单词的正确形式填空
1. The Dead Sea is
2. Please write your height and weight in the
3. The tall boy jumped
4. The Mariana Trench is
5. Because the lake is several
1. The Dead Sea is
the lowest
(low) place on earth.2. Please write your height and weight in the
measurement
(measure) chart on the paper.3. The tall boy jumped
(the) highest
(high) among all the athletes.4. The Mariana Trench is
the deepest
(deep) point in the ocean.5. Because the lake is several
kilometres
(kilometre) wide, it takes a long time to walk around it.答案
二、1. the lowest 2. measurement 3. (the) highest 4. the deepest 5. kilometres
解析
【解析】
1. 句中“on earth”表示比较范围为整个地球，需用形容词最高级，low的最高级为lowest，最高级前加定冠词the，故填the lowest。
2. 此处需要名词修饰名词“chart”，measure的名词形式为measurement，“measurement chart”意为“测量表”，故填measurement。
3. “among all the athletes”表示三者及以上的比较范围，需用副词最高级，high的最高级为highest，副词最高级前的定冠词the可省略，故填(the) highest。
4. “in the ocean”表示比较范围为整个海洋，需用形容词最高级，deep的最高级为deepest，最高级前加定冠词the，故填the deepest。
5. several后接可数名词复数，kilometre的复数形式为kilometres，故填kilometres。
【答案】
1. the lowest 2. measurement 3. (the) highest 4. the deepest 5. kilometres
【知识点】
形容词/副词最高级、词性转换、可数名词复数
【点评】
本题主要考查形容词和副词最高级的用法、词性转换以及可数名词的复数变化，解题需结合语境判断比较范围，准确转换词性并掌握可数名词复数规则，注意最高级前定冠词的使用细节。
【难度系数】
0.7
1. 句中“on earth”表示比较范围为整个地球，需用形容词最高级，low的最高级为lowest，最高级前加定冠词the，故填the lowest。
2. 此处需要名词修饰名词“chart”，measure的名词形式为measurement，“measurement chart”意为“测量表”，故填measurement。
3. “among all the athletes”表示三者及以上的比较范围，需用副词最高级，high的最高级为highest，副词最高级前的定冠词the可省略，故填(the) highest。
4. “in the ocean”表示比较范围为整个海洋，需用形容词最高级，deep的最高级为deepest，最高级前加定冠词the，故填the deepest。
5. several后接可数名词复数，kilometre的复数形式为kilometres，故填kilometres。
【答案】
1. the lowest 2. measurement 3. (the) highest 4. the deepest 5. kilometres
【知识点】
形容词/副词最高级、词性转换、可数名词复数
【点评】
本题主要考查形容词和副词最高级的用法、词性转换以及可数名词的复数变化，解题需结合语境判断比较范围，准确转换词性并掌握可数名词复数规则，注意最高级前定冠词的使用细节。
【难度系数】
0.7
三、根据材料内容选择最佳答案。
The Sahara Desert is the largest hot desert in the world. It is about 9,320,000 square kilometres in size. This is almost the same size as China. The desert covers eleven countries in the north of Africa.
The Nile runs through the Sahara Desert all year round. But there are also other rivers running through it seasonally. The geography of the desert includes huge sand dunes (沙丘) and dune fields. Some of the sand dunes are so huge that they can even be over 150 metres high. But there are also other amazing landforms (地形) in different parts of the desert.
It is very hot and dry in the Sahara Desert. The temperature there is usually 30℃. However, during the hottest months, the temperature can go over 50℃. Because of the high temperatures and poor conditions of the desert, only a few plants live here, just about 500 kinds. They also play a role in the number of animals. In the driest part of the desert, there are only 70 different kinds of animals. Today the Sahara's population is over two million. They move from place to place through the desert. Because of this, there are many different cultures and languages in this area.
(
A. Half of China's size.
B. The size of China.
C. The size of India.
D. The size of England.
(
A. Because the strong winds blow away the seeds.
B. Because the temperature changes a lot.
C. Because there are too many animals eating them.
D. Because it's very hot and dry with poor conditions.
(
A. High temperatures.
B. Rivers in the desert.
C. A few plants in the desert.
D. Different kinds of animals.
(
A. The number of animal species in its driest part.
B. The specific names of the eleven countries it covers.
C. The exact temperature in the coldest months of the year.
D. The detailed reasons for the formation of its huge sand dunes.
(
A. To compare the Sahara Desert with other deserts.
B. To explain why the Sahara Desert is hot and dry.
C. To describe how people live in the Sahara Desert.
D. To introduce the Sahara Desert's size, geography, climate and life.
The Sahara Desert is the largest hot desert in the world. It is about 9,320,000 square kilometres in size. This is almost the same size as China. The desert covers eleven countries in the north of Africa.
The Nile runs through the Sahara Desert all year round. But there are also other rivers running through it seasonally. The geography of the desert includes huge sand dunes (沙丘) and dune fields. Some of the sand dunes are so huge that they can even be over 150 metres high. But there are also other amazing landforms (地形) in different parts of the desert.
It is very hot and dry in the Sahara Desert. The temperature there is usually 30℃. However, during the hottest months, the temperature can go over 50℃. Because of the high temperatures and poor conditions of the desert, only a few plants live here, just about 500 kinds. They also play a role in the number of animals. In the driest part of the desert, there are only 70 different kinds of animals. Today the Sahara's population is over two million. They move from place to place through the desert. Because of this, there are many different cultures and languages in this area.
(
B
) 1. Which of the following is closest to the size of the Sahara Desert?A. Half of China's size.
B. The size of China.
C. The size of India.
D. The size of England.
(
D
) 2. Why is it difficult for many plants to grow in the Sahara Desert?A. Because the strong winds blow away the seeds.
B. Because the temperature changes a lot.
C. Because there are too many animals eating them.
D. Because it's very hot and dry with poor conditions.
(
C
) 3. What does the underlined word "They" refer to?A. High temperatures.
B. Rivers in the desert.
C. A few plants in the desert.
D. Different kinds of animals.
(
A
) 4. What can we know about the Sahara Desert from the text?A. The number of animal species in its driest part.
B. The specific names of the eleven countries it covers.
C. The exact temperature in the coldest months of the year.
D. The detailed reasons for the formation of its huge sand dunes.
(
D
) 5. What's the main purpose of the text?A. To compare the Sahara Desert with other deserts.
B. To explain why the Sahara Desert is hot and dry.
C. To describe how people live in the Sahara Desert.
D. To introduce the Sahara Desert's size, geography, climate and life.
答案
1—5 BDCAD
解析
【解析】
1. 第1题：根据第一段“It is about 9,320,000 square kilometres in size. This is almost the same size as China.”可知，撒哈拉沙漠的面积几乎和中国一样大，故选B。
2. 第2题：根据第三段“Because of the high temperatures and poor conditions of the desert, only a few plants live here”可知，撒哈拉沙漠炎热干燥、环境恶劣，不利于多数植物生长，故选D。
3. 第3题：根据前文“only a few plants live here, just about 500 kinds. They also play a role in the number of animals.”可知，They指代前文提到的沙漠里的少量植物，故选C。
4. 第4题：A选项可从第三段“In the driest part of the desert, there are only 70 different kinds of animals.”找到对应信息；B选项未提及11个国家的具体名称；C选项未提到最冷月份的具体温度；D选项未说明沙丘形成的详细原因，故选A。
5. 第5题：文章依次介绍了撒哈拉沙漠的面积、地理特征、气候条件、动植物及人口情况，因此本文的主要目的是介绍这些方面的内容，故选D。
【答案】
1—5 BDCAD
【知识点】
细节理解题；词义猜测题；主旨大意题
【点评】
本文围绕撒哈拉沙漠展开介绍，题目涵盖细节查找、词义指代、主旨归纳等常见阅读理解考查方向，需要学生精准定位文本信息，理清上下文逻辑来作答。
【难度系数】
0.7
1. 第1题：根据第一段“It is about 9,320,000 square kilometres in size. This is almost the same size as China.”可知，撒哈拉沙漠的面积几乎和中国一样大，故选B。
2. 第2题：根据第三段“Because of the high temperatures and poor conditions of the desert, only a few plants live here”可知，撒哈拉沙漠炎热干燥、环境恶劣，不利于多数植物生长，故选D。
3. 第3题：根据前文“only a few plants live here, just about 500 kinds. They also play a role in the number of animals.”可知，They指代前文提到的沙漠里的少量植物，故选C。
4. 第4题：A选项可从第三段“In the driest part of the desert, there are only 70 different kinds of animals.”找到对应信息；B选项未提及11个国家的具体名称；C选项未提到最冷月份的具体温度；D选项未说明沙丘形成的详细原因，故选A。
5. 第5题：文章依次介绍了撒哈拉沙漠的面积、地理特征、气候条件、动植物及人口情况，因此本文的主要目的是介绍这些方面的内容，故选D。
【答案】
1—5 BDCAD
【知识点】
细节理解题；词义猜测题；主旨大意题
【点评】
本文围绕撒哈拉沙漠展开介绍，题目涵盖细节查找、词义指代、主旨归纳等常见阅读理解考查方向，需要学生精准定位文本信息，理清上下文逻辑来作答。
【难度系数】
0.7
