Trắc nghiệm Reading tiếng Anh lớp 12 Unit 5 Cultural Identity gồm các câu hỏi trắc nghiệm môn tiếng Anh 12 hỗ trợ học sinh nâng cao kết quả lớp 12.
Đề ôn tập kỹ năng đọc (Reading) tiếng Anh Unit 5 có đáp án dưới đây được biên tập xoay quanh chủ đề bài học Cultural Identity (Bản sắc văn hóa) giúp các em học sinh lớp 12 rèn luyện kỹ năng làm bài thi hiệu quả cũng như tích lũy thêm nhiều Từ vựng - Ngữ pháp tiếng Anh theo chủ đề bài học Unit 5 tiếng Anh lớp 12.
Although noise, commonly defined as unwanted sound, is a widely recognized form of pollution, it is very difficult to measure because the discomfort experienced by different individuals is highly subjective and, therefore, variable. Exposure to lower levels of noise may be slightly irritating, whereas exposure to higher levels may actually cause hearing loss. Particularly in congested urban areas, the noise produced as a byproduct of our advancing technology causes physical and psychological harm, and detracts from the quality of life for those who are exposed to it.
Unlike the eyes, which can be covered by the eyelids against strong light, the ear has no lid, and is, therefore, always open and vulnerable; noise penetrates without protection. Noise causes effects that the hearer cannot control and to which the body never becomes accustomed. Loud noises instinctively signal danger to any organism with a hearing mechanism, including human beings. In response, heartbeat and respiration accelerate, blood vessels constrict, the skin pales, and muscles tense. In fact, there is a general increase in functioning brought about by the flow of adrenaline released in response to fear, and some of these responses persist even longer than the noise, occasionally as long as thirty minutes after the sound has ceased.
Because noise is unavoidable in a complex, industrial society, we are constantly responding in the same way that we would respond to danger. Recently, researchers have concluded that noise and our response may be much more than an annoyance. It may be a serious threat to physical and psychological health and well-being, causing damage not only to the ear and brain but also to the heart and stomach. We have long known that hearing loss is America's number one nonfatal health problem, but now we are learning that some of us with heart disease and ulcers may be victims of noise as well. Fetuses exposed to noise tend to be overactive, they cry easily, and they are more sensitive to gastrointestinal problems after birth. In addition, the psychic effect of noise is very important. Nervousness, irritability, tension, and anxiety increase affecting the quality of rest during sleep, and the efficiency of activities during waking hours, as well as the way that we interact with each other.
Question 1: Which of the following is the author's main point?
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