阅读下面这篇短文，短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2～5段每段选择1个正确的小标题；(2)第27～30题要求从所给的6个选项中选择4个正确选项，分别完成每个句子。 Napping to a Healthier
Heart 1. Researchers say they have developed a simple test
that can tell if a person with heart disease is likely to suffer a heart attack.
The test measures levels of a protein in the blood. The researchers say people
with high levels of this protein are at high risk of heart attack, heart failure
or stroke. 2. Kirsten Bibbins-Domingo of the University of
California in San Francisco led the team. For about four years, they studied
almost one thousand patients with heart disease. The researchers tested the
heart disease patients for a protein called NT-proBNP. Patients with the highest
levels were nearly eight times more likely than those with the lowest levels to
have a heart attack, heart failure or stroke. 3. The researchers
say the presence of high levels of the protein in the blood shows that the heart
muscle is under pressure in some way. The study involved mostly men, so the
researchers could not say for sure5 that the results are also true for women.
They say the patients with the highest levels of NT-proBNP were older and had
other problems like diabetes or high blood pressure. 4. Other
researchers say more studies are needed to confirm if knowing the protein levels
of a heart patient should affect that person’s treatment. They also would like
to know if more aggressive treatment could reduce the patient’s chance of a
heart attack or stroke. The study appeared in the Journal of the American
Medical Association. 5. Could a little sleep during the middle
of the day reduce the risk of a heart attack An unrelated study earlier this
month in the Archives of Internal Medicine suggests that the answer may be yes.
In countries like the United States, afternoon naps are mostly for children. But
they are common for adults in Mediterranean countries. And these countries
generally have lower rates of heart disease. So scientists in the United States
and Greece wondered if naps could play a part. Twenty-three thousand healthy
adults took part in the study by Harvard University and the University of
Athens. Those who took thirty-minute naps three times a week had a thirty-seven
percent lower risk of death from heart problems than people who did not take
naps. 6. The researchers say napping may improve heart health by
reducing stress. They say the research suggests that naps are especially good
for working men. But they say not enough female subjects died during the study
to judge the benefits for women. Paragraph 2 ______
A Effects of Napping in Females Still Uncertain
B Older Males Have Higher Levels of NT-proBNP
C Development of a Simple but Important Test
D Evidence of Positive Relationship Between Napping and Heart Disease
E How to Control the Levels of NT-proBNP
F Effects of NT-proBNP on Heart Disease