四六级考试

【单选题】Anger and other strong emotions can trigger potentially deadly heart rhythms in certain vulnerable people.
Previous studies have shown that earthquakes, war or (62) the loss of a WorldCup Soccer match can increase (63) of death from a sudden cessation(停止) of heartbeat, (64) the heart stops circulating blooD、"It’s (65) been shown in all different ways that when you put a whole (66) under a stressor that sudden death will increase," saidDr. Rachel Lampert, whose study (67) in the Journal of theAmericanCollege ofCardiology. "Our study starts to look (68) how this really affects the electrical system of the heart," Lampert saiD、
She and colleagues studied 62 patients with heart (69) and implantable heart defibrillators (电震发生器) or ICDs that can (70) dangerous heart rhythms or arrhythmias(心律失常) and deliver an electrical shock to restore a normal heart (71) . "These were people we know already had some (72) to arrhythmia," Lampert said in a telephone interview. Patients in the study took part in an exercise in which they (73) a recent angry episode (74) Lampert’s team did a test called T-WaveAlternans that (75) electrical instability in the heart.
Lampert said the team specifically asked questions to get people to relive the angry (76) . "We found in the lab setting that yes, anger did increase this electrical instability in these patients," she saiD、"The people who had the (77) anger-induced electrical instability were 10 times more (78) than everyone else to have an arrhythmia in follow-up," she saiD、Lampert said the study (79) that anger can be deadly, at least for people who are already vulnerable to this type of electrical disturbance in the heart. "It says yes, (80) really does impact the heart’s electrical system in very (81) ways that can lead to sudden death," she saiD、

A、percentage
B．ratios
C．amount
D．rates

网考网参考答案：D
网考网解析：
[精解] 语义衔接题。根据上下文，前文所提到的地震、战争还有输掉一场世界杯足球赛均为导致心脏停跳而引起猝死的可能的原因，但并不是一定导致心脏停跳，因此这些原因增加了心脏停跳引起猝死的几率，而不是数目或数量。故本题答案为D)。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>