Reading passage (heart attacks)
number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart stimulating hormones, plus a reduction of blood flow to the heart, may all contribute to the higher incidence of heart attacks between the hours of 8:00 A.M. and 10:00 A.M.
In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.
(Source: https://www.cdc.gov/)
In other studies, both birthdays and bachelorhood have been implicated as risk factors. Statistics reveal that heart attack rates increase significantly for both females and males in the few days immediately preceding and following their birthdays. And unmarried men are more at risk for heart attacks than their married counterparts. Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.
(Source: https://www.cdc.gov/)
Which of the following does the passage infer?
Which of the following does the passage infer?
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Đáp án chính thức: D
Hướng dẫn giải chi tiết
(AI giải đề cho tôi)
Question 50: Which of the following does the passage infer? Căn cứ câu cuối đoạn văn: 'Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.' Việc 'intense research continues in the hope of further comprehending' cho thấy chúng ta CHƯA hiểu đầy đủ về cách các yếu tố nguy cơ gây ra đau tim. A sai (trái với passage); B sai (không có thông tin 'recently began'); C sai (passage đã nêu nhiều risk factors như birthday, bachelorhood, stress...). D đúng: 'We do not fully understand how risk factors trigger heart attacks.' Khớp đáp án nguồn 50.D.
Question 50: Which of the following does the passage infer? Căn cứ câu cuối đoạn văn: 'Though stress is thought to be linked in some way to all of the aforementioned risk factors, intense research continues in the hope of further comprehending why and how heart failure is triggered.' Việc 'intense research continues in the hope of further comprehending' cho thấy chúng ta CHƯA hiểu đầy đủ về cách các yếu tố nguy cơ gây ra đau tim. A sai (trái với passage); B sai (không có thông tin 'recently began'); C sai (passage đã nêu nhiều risk factors như birthday, bachelorhood, stress...). D đúng: 'We do not fully understand how risk factors trigger heart attacks.' Khớp đáp án nguồn 50.D.