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完形填空 。阅读下面短文,掌握其大意,然后从 1-15 各题所给的 A、 B、C 和 D 项中,选出最
佳选项。
If they kick the habit of smoking, some smokersover 65 years old may reduce their
risk of dyingfrom heart-related problems to the level of nonsmokers, according to
new research presented onWednesday.
Many people in the study lowered the risk ofdeveloping heart failure, or the risk
of 1fromheart failure, heart attacks and strokes to the same2 as the non-smokers
in nearly half the time asprevious research had indicated.
"For half of them, it was eight years after quitting,"said Professor Ahmed. "Even
for the 3 smokers,who smoked more than 32 pack years, comparedto current smokers,
they will 4 reduce the risk of mortality( 死亡率 ) by 35 percent by quitting, so
there's apositive 5 for everybody."
"Cutting the 6 to the level of non-smokerswas much more difficult in
comparison with 7smokers," he added. .
Researchers 8 their data by analyzing 13years of medical information from a
health study.They compared 853 people who9 smoking 15or fewer years ago with 2,557
people who neversmoked cigarettes. Of the former smokers, 319had smoked less than
32 pack years.
10 remains the most preventable cause ofearly death in the United States and
elsewhere. Sothe main message remains: If you smoke, quit andquit11. But even those
who do not stop smoking until they 12 the Medicare-eligible( 有医疗保险资格
of 65 appear 13 to get heart-related health benefits from stopping smoking.
While the heart-related benefits seen in thestudy seem clear, researchers said,
damage isnot so 14 changeable. Those who smoked lessthan 32 pack years and quit up
to 15 or more
years ago were still at a high risk of dying from15 cancer.
1. A. kicking B. dying
C. reducing D. quitting
2. A. level B. mark
C. house D. disease
)age
lung
3. A. fatter
C. lighter
4. A. significantly
C. lately
5. A. plan
C. message
6. A. cigarette
C. cost
7. A. current
C. sick
8. A. doubted
C. distributed
9. A. practised
C. quit
10. A. Smoking
C. Drug-taking
11. A. painfully
C. s
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