For well over 2000 years the world’s great religions have taught the virtues of a trusting heart. Now there is another reason to

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问题      For well over 2000 years the world’s great religions have taught the virtues of a trusting heart. Now there is another reason to heed the wisdom of the ages: scientific evidence indicates that those with trusting hearts will live longer, healthier lives.
     As a result of the work published in the 1970s by two pioneering cardiologists, Meyer Friedman and Ray H. Rosen-man, nearly every American is aware that Type A people are impatient, driven and easily moved to hostilit3r, and anger. and have come to believe that Type A’s are at much higher risk of suffering a heart attack or dying of coronary disease than others.
     Just as the public was about to add Type A behavior to the list of cardiac risk factors-such as smoking, high cholesterol levels, high blood pressure and lack of physical exercise-reports began to appear suggesting that the Type A story was not so simple.
     New studies failed to find an increased risk of heart attack in all Type A’s. But recent research is clarifying and refining our understanding of the problem. The good news is that not all aspects of Type A behavior are equally toxic. Recent research shows that being in a hurry appears harmful only as it aggravates one’s hostility.
     Now for the bad news: hostility and anger can be fatal. They not only raise the odds that you will develop coronary heart disease but may also increase your risk of suffering other life-threatening illnesses, ff yours is a hostile heart, it is important that you learn to reduce your anger.
     The driving force behind hostility is a cynical mistrust of others. If we expect others to mistreat us, we are seldom disappointed. This generates anger and leads us to respond with aggression.
     The most characteristic attitude of a cynic is suspicion of the motives of people he doesn’t know. Imagine you are waiting for an elevator and it stops two floors above for longer than usual. How inconsiderate! You think. If people want to carry on a conversation, why don’t they get off the elevator so ’the rest of us can get where we’re going! You have no way of knowing what is causing the decline. Yet, in a few seconds, you have drawn hostile conclusions about unseen people and their motives.
     Meanwhile, your cynical mistrust is triggering an outpouring of adrenalin and other stress hormones, with noticeable physical consequences. Your voice changes to a higher pitch. The rate and depth of your breathing increases. You heart is beating faster and harder, and the muscles of your arms and legs tighten. You feel "charged up," ready for action.
Recent research shows that _______.

选项 A、Type A behavior are always dangerous
B、there is an increased risk of heart attacks in all Type A’s
C、being in a hurry can aggravates one’s hostility
D、Type A behavior turns out to be toxic if it aggravates one’s hostility.

答案D

解析 见原文第四段“Recent research shows that being in a hurry appears harmful only as it aggravates one’s hostility”。这里的being in a hurry正是 A型血的人的行为特性。因此D为正确选项;
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