【单选题】
下面的短文有15处空白，请根据短文的内容为每处空白处确定一个最佳选项。
Happy Marriage, Happy Heart
Happily married people have lower blood pressure {{U}} (51) {{/U}}unhappily married people or singles, aBrigham Young University study says.
On the other hand, even having a supportive social network did not translate into a blood pres sure benefit for singles or unhappily {{U}} (52) {{/U}} people, according to the study.
"There seem to be some unique health benefits from marriage. It’s not just being married {{U}} (53) {{/U}} benefits health-what’s really the most protective of health is having a happy {{U}} (54) {{/U}}" study author Julianne Hoh-Lunstad, a psychologist who specializes in relationships and health, said in a prepared statement.
The study included 204 married and 99 {{U}} (55) {{/U}} adults who wore portable blood-pressure monitors for 24 hours. The {{U}} (56) {{/U}} recorded blood pressure at random intervals and provided a total of about 72 readings.
"We wanted to capture participants’ blood pressure doing whatever they normally {{U}} (57) {{/U}} in everyday life. Getting one or two readings in a clinic is not really {{U}} (58) {{/U}} of the fluctuations that occur throughout the day," Hoh-Lunstad saiD、
Overall, happily married people scored four points {{U}} (59) {{/U}} on the blood pressure readings than single adults. The study also found that blood {{U}} (60) {{/U}} among married people--especially those in happy marriages--{{U}} (61) {{/U}}more during sleep than in single people.
"Research has shown that people whose blood pressure remains high throughout the night are at {{U}} (62) {{/U}} greater risk of heart disease than people whose blood pressure drops. " Hoh-Lunstad saiD、
The study was published in the March 20 {{U}} (63) {{/U}} of the journalAnnals ofBehavioral Medicine.
The study also found that unhappily married adults have higher blood pressure than {{U}} (64) {{/U}} happily married and single adults.
Hoh-Lunstad noted that married couples can encourage healthy habits in one {{U}} (65) {{/U}} such as eating a healthy diet and having regular doctor visits. People in happy marriages also have a source of emotional support, she saiD、
B．number
C．copy
D．issue
网考网参考答案：D
网考网解析：
[解析] 表示定期出版的杂志的第几期，应用issue。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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