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/)
word "trigger" as used in the first paragraph is closest in meaning to which of the following?
word "trigger" as used in the first paragraph is closest in meaning to which of the following?
Chọn một phương án bên dưới để kiểm tra đáp án ngay:
Đáp án chính thức: C
Hướng dẫn giải chi tiết
(AI giải đề cho tôi)
Trong câu 'intense research continues in the hope of further comprehending why and how heart failure is triggered', 'trigger' nghĩa là gây ra, khởi phát (heart failure is triggered = suy tim được gây ra/khởi phát). Động từ gần nghĩa nhất là 'cause' (gây ra). 'Involve' (liên quan), 'affect' (ảnh hưởng), 'encounter' (gặp phải) đều không phù hợp về nghĩa. Khớp với đáp án nguồn: bảng ĐÁP ÁN trang 4 ghi 49.C.
Trong câu 'intense research continues in the hope of further comprehending why and how heart failure is triggered', 'trigger' nghĩa là gây ra, khởi phát (heart failure is triggered = suy tim được gây ra/khởi phát). Động từ gần nghĩa nhất là 'cause' (gây ra). 'Involve' (liên quan), 'affect' (ảnh hưởng), 'encounter' (gặp phải) đều không phù hợp về nghĩa. Khớp với đáp án nguồn: bảng ĐÁP ÁN trang 4 ghi 49.C.