Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks.
Stress
In prehistoric times, the physical changes in response to stress were an essential adaptation for meeting natural threats. The stress response, even in the modern world, (9)_______during critical events such as sports activities, important meetings, or situations of actual danger. If stress becomes persistent and low-level, however, the brain, heart, lungs, vessels and muscles become chronically over- or under-activated. (10)______. Acute stress can also be harmful in certain situations.
Studies suggest that (11)______ is associated with depression or anxiety. In one study, two- thirds of subjects who experienced a stressful situation had nearly six times the risk of developing depression within that month. Some evidence suggests that repeated release of stress hormones disrupts normal levels of serotonin, the nerve chemical (12)___ .
Certainly, on a more obvious level, stress diminishes the quality of life by reducing feelings of pleasure and accomplishment, and relationships are often threatened. The tensions of unresolved stress frequently cause insomnia, generally keeping the stressed person awake or causing awakening in the middle of the night or early morning. In fact, evidence suggests that stress hormones can increase during sleep in anticipation of a specific waking time. (13) ______________________________.
Relaxation therapy has been found to reduce stress levels and consequently improve the quality of sleep.
(Adapted from Cambridge Vocabulary for IELTS)
In prehistoric times, the physical changes in response to stress were an essential adaptation for meeting natural threats. The stress response, even in the modern world, (9)_______during critical events such as sports activities, important meetings, or situations of actual danger. If stress becomes persistent and low-level, however, the brain, heart, lungs, vessels and muscles become chronically over- or under-activated. (10)______. Acute stress can also be harmful in certain situations.
Studies suggest that (11)______ is associated with depression or anxiety. In one study, two- thirds of subjects who experienced a stressful situation had nearly six times the risk of developing depression within that month. Some evidence suggests that repeated release of stress hormones disrupts normal levels of serotonin, the nerve chemical (12)___ .
Certainly, on a more obvious level, stress diminishes the quality of life by reducing feelings of pleasure and accomplishment, and relationships are often threatened. The tensions of unresolved stress frequently cause insomnia, generally keeping the stressed person awake or causing awakening in the middle of the night or early morning. In fact, evidence suggests that stress hormones can increase during sleep in anticipation of a specific waking time. (13) ______________________________.
Relaxation therapy has been found to reduce stress levels and consequently improve the quality of sleep.
(Adapted from Cambridge Vocabulary for IELTS)
(9) _______
(9) _______
Chọn một phương án bên dưới để kiểm tra đáp án ngay:
Đáp án chính thức: A
Hướng dẫn giải chi tiết
(AI giải đề cho tôi)
Câu 9: Chỗ trống cần một vị ngữ động từ chính cho chủ ngữ số ít 'The stress response'. Câu hoàn chỉnh: 'The stress response, even in the modern world, can raise levels of performance during critical events such as sports activities, important meetings, or situations of actual danger.' - A. 'can raise levels of performance' đúng ngữ pháp (modal 'can' + động từ nguyên mẫu) và hợp nghĩa: phản ứng stress có thể nâng cao mức độ thực hiện trong các sự kiện quan trọng. B sai vì 'have to' không hòa hợp với chủ ngữ số ít và nghĩa không phù hợp. C sai vì 'increasing levels of performance' là cụm V-ing, không thể làm vị ngữ chính. D sai vì 'which can enhance performance levels' là mệnh đề quan hệ, làm câu thiếu vị ngữ. Đáp án khớp với đáp án nguồn (câu 9 = A).
Câu 9: Chỗ trống cần một vị ngữ động từ chính cho chủ ngữ số ít 'The stress response'. Câu hoàn chỉnh: 'The stress response, even in the modern world, can raise levels of performance during critical events such as sports activities, important meetings, or situations of actual danger.' - A. 'can raise levels of performance' đúng ngữ pháp (modal 'can' + động từ nguyên mẫu) và hợp nghĩa: phản ứng stress có thể nâng cao mức độ thực hiện trong các sự kiện quan trọng. B sai vì 'have to' không hòa hợp với chủ ngữ số ít và nghĩa không phù hợp. C sai vì 'increasing levels of performance' là cụm V-ing, không thể làm vị ngữ chính. D sai vì 'which can enhance performance levels' là mệnh đề quan hệ, làm câu thiếu vị ngữ. Đáp án khớp với đáp án nguồn (câu 9 = A).