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[简答题]As heart disease continues to be the number-one killer in the United States, researchers have become increasingly interested in identifying the potential risk factors that trigger heart attacks. ( Passage Two)
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Heart failure, for example, appears to have seasonal and{{U}} (40) {{/U}}patterns. A higher percent age of heart attacks occur in cold weather, and more people experience heart failure on Monday than on any other day of the week. In addition, people are more{{U}} (41) {{/U}}to heart attacks in the first few hours after waking. Cardiologists first observed this morning{{U}} (42) {{/U}}in the mid-1980s and have since discovered a number of possible causes. An early-morning rise in blood pressure, heart rate, and concentration of heart{{U}} (43
[填空题]Vioxx is a kind of disease to cure heart disease and is withdrawn from the market.
[单项选择]Who suffers from heart disease
A. Mrs. Smith
B. Her father’s family
C. Her family
D. Mr. Smith
[单项选择] Cholesterol and Heart Disease
Do you know your cholesterol level Many people don’’t. A high level of cholesterol in the blood is an important risk factor for heart disease.
Some people say that the danger of heart disease is exaggerated. However, heart disease is a main cause of death in developed countries. Every year more than one million Americans have heart attacks, and half of them die. People With heart disease suffer chest pains that make simple activities, such as walking, shaving, or taking a shower, difficult.
Research has proven that cholesterol levels are Connected with heart disease. One project in Massachusetts has studied the same group of men and women since 1948. The researchers have found that the people who have high levels of cholesterol have more heart attacks.
A natural substance in the blood, cholesterol comes from the liver. The amount of cholesterol is affected by diet and by physical qualities we inherit fro
A. Y
B. N
C. NG