In recent years, an increasing number of young people have been diagnosed with aphasia (失语症), a condition that affects a person’s ability to communicate, including speaking, understanding language, reading, and writing. This phenomenon has raised concerns among the public, as it was traditionally thought to be more common among the elderly.

    One of the primary reasons for the emergence of aphasia in young people is traumatic brain injury (TBI). In modern society, young people are more likely to be involved in accidents, such as traffic collisions, sports-related injuries, or falls. These incidents can cause significant damage to the brain, particularly in areas responsible for language processing. The impact on their lives can be profound, as they may struggle to express their thoughts, follow conversations, or even read simple texts.

    Another contributing factor is neurological (神经系统的) diseases. Although less common in the young compared to the elderly, certain neurological disorders can still strike this age group. For instance, brain tumors (瘤) can develop in the areas of the brain that control language functions. As the tumor grows, it may damage the surrounding neural tissues, gradually leading to aphasia. Young people with weakened immune systems due to factors like stress, lack of proper nutrition, or pre-existing medical conditions may be more vulnerable to these infections.

    Mental health issues can also play a role in the development of aphasia among young people. Long-term stress, anxiety, and depression can have an effect on brain function. High levels of stress hormones can damage neurons over time, especially in regions related to language and memory.

    In conclusion, the reasons why young people suffer from aphasia are complex. It is crucial that we raise awareness about these risk factors among young people and ensure early detection and proper treatment when symptoms of aphasia start to appear.

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1.1. What is traditionally considered to be the main group affected by aphasia?

A The elderly.

B Children.

C Teenagers.

D Young adults.

解析：选A。细节理解题。根据第一段的“This phenomenon has raised concerns among the public, as it was traditionally thought to be more common among the elderly.”这一现象引起了公众的关注，因为传统上认为失语症在老年人中更为常见。故选A。

2.2. How can traumatic brain injury affect young people who have aphasia?

A It can weaken their walking ability.

B It causes them difficulty expressing themselves.

C It can keep them from falling down.

D It can make them talk a lot.

解析：选B。细节理解题。根据第二段的“The impact on their lives can be profound, as they may struggle to express their thoughts, follow conversations, or even read simple texts.”可知，这对他们的生活影响可能非常深远，因为他们可能难以表达自己的思想，跟不上对话，甚至连简单的文本也无法阅读，即B项的创伤性脑损伤会导致失语症患者难以表达自己的想法。故选B。

3.3. What can cause aphasia in young people, as mentioned in the passage? ①Brain tumors. ②Lack of proper nutrition. ③Lack of exercise. ④Mental health issues.

A ②③④

B ①③④

C ①②③

D ①②④

解析：选D。细节理解题。根据第三段的“For instance, brain tumors can develop in the areas of the brain that control language functions. As the tumor grows, it may damage the surrounding neural tissues, gradually leading to aphasia.”可知，脑瘤是一种严重的神经系统疾病，可以影响患者的语言功能；根据第三段的“Young people with weakened immune systems due to factors like stress, lack of proper nutrition, or pre-existing medical conditions may be more vulnerable to these infections.”和第四段的“Long-term stress, anxiety, and depression can have an effect on brain function.”可知，压力、营养不良、焦虑和抑郁都会有影响。故选D。

4.4. What does the author suggest about dealing with aphasia in young people?

A Encouraging young people to avoid sports.

B Focusing solely on treating neurological diseases.

C Increasing awareness and ensure early detection and treatment.

D Providing financial support for medical research.

解析：选C。推理判断题。根据文章最后一段可知，年轻人患失语症的原因是复杂的，强调了提高年轻人对这些风险因素的认识的重要性，并在失语症症状开始出现时，确保早期发现和适当治疗。故选C。