【单选题】
阅读下面的短文，文中有15处空白，每处空白给出4个选项，请根据短文的内容从4个选项中选择1个最佳答案。
On the other hand, even having a supportive social network did not translate into a blood pressure 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 Holt 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," Holt-Lunstad saiD、
Overall, happily married people scored four points{{U}} (59) {{/U}}on the blood pres- sure 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," Holt 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.
Holt-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．doctors
C．nurses
D．researchers
网考网参考答案：A
网考网解析：
[前后呼应] 上句刚提到monitor，故选A：监视器以随即间隔记录血压，并生成72个读数。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>
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