英语阅读理解专项练习题及答案

英语阅读理解专项练习题：

Read the following passage and answer the question.

Passage: The Great Wall of China is one of the most magnificent structures in the world. It stretches over 13,000 miles and was built over several centuries by the ancient Chinese. The wall was originally constructed to protect the Chinese Empire from invasions by nomadic tribes. Today, the Great Wall is a UNESCO World Heritage Site and attracts millions of tourists each year.

Question: What is the primary purpose of the Great Wall of China?

A) To serve as a major tourist attraction B) To protect the Chinese Empire from invasions C) To showcase ancient Chinese architecture D) To provide a means of communication between cities

Answer: B) To protect the Chinese Empire from invasions

Read the following passage and complete the sentence.

Passage: In the field of technology, advancements in artificial intelligence have revolutionized various industries. One such industry is healthcare, where AI is being used to improve patient care and streamline administrative processes. AI systems can analyze medical images, predict disease outbreaks, and assist in diagnosis.

Sentence Completion: AI systems in healthcare can...

Answer: AI systems in healthcare can analyze medical images, predict disease outbreaks, and assist in diagnosis.

Read the passage and answer the question.

Passage: The greenhouse effect is a natural process that warms the Earth's surface by trapping heat in the atmosphere. This process is essential for life on Earth, as it maintains the planet's temperature. However, human activities, such as the burning of fossil fuels, have increased the concentration of greenhouse gases, leading to global warming.

Question: What is the main cause of global warming?

Answer: The main cause of global warming is the increased concentration of greenhouse gases in the atmosphere, primarily due to human activities such as burning fossil fuels.