单选题
Happy Marriage, Happy Heart

Happily married people have lower blood pressure (51) unhappily married people or singles, a Brigham Young University study says.
On the other hand, even having a supportive social network did not translate into a blood pressure benefit for singles or unhappily (52) people, according to the study.
"There seem to be some unique health benefits from marriage. It's not just being married (53) benefits health-what's really the most protective of health is having a happy (54) ," 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 (55) adults who wore portable blood-pressure monitors for 24 hours. The (56) 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 (57) in everyday life. Getting one or two readings in a clinic is not really (58) of the fluctuations that occur throughout the day," Holt-Lunstad said.
Overall, happily married people scored four points (59) on the blood pressure readings than single adults. The study also found that blood (60) among married people especially those in happy marriages (61) more during sleep than in single people.
"Research has shown that people whose blood pressure remains high throughout the night are at (62) greater risk of heart disease than people whose blood pressure drops," HoltLunstad said.
The study was published in the March 20 (63) of the journal Annals of Behavioral Medicine.
The study also found that unhappily married adults have higher blood pressure than (64) happily married and single adults.
Holt-Lunstad noted that married couples can encourage healthy habits in one (65) ,such as eating a healthy diet and having regular doctor visits. People in happy marriages also have a source of emotional support, she said.

【正确答案】 C
【答案解析】本句用了表示比较的lower一词,因此空格处只能选than一词。
【正确答案】 A
【答案解析】上一句中已经出现了unhappily married people,所以在unhappily和people之间显然应选。married一词。
【正确答案】 B
【答案解析】本句是一个强调句型结构。
【正确答案】 B
【答案解析】从前面出现过的happily married people可以得知,对健康最具保护作用的是拥有一个happy marriage。
【正确答案】 C
【答案解析】从上下文可以得知,研究对象包括已婚和未婚的成年人。
【正确答案】 A
【答案解析】前一句中出现了monitors一词,此处仍指monitors。
【正确答案】 B
【答案解析】空格处应填与前面出现的doing一词相一致的动词do,以表示日常生活中通常所做的事情。
【正确答案】 C
【答案解析】本句的意思是:在诊室里获取一两个读数并不能真正代表一天之内发生的波动。
【正确答案】 B
【答案解析】从上下文可以得知,总体来说,婚姻幸福的人血压读数应相对低些。
【正确答案】 A
【答案解析】该段的主要内容是婚姻与血压的关系,显然此处应填pressure。
【正确答案】 B
【答案解析】从上下文可以得知,与单身的成年人相比,已婚者,尤其是婚姻幸福者的血压夜里睡眠时应该是下降得更多。
【正确答案】 C
【答案解析】修饰比较级,表示“……得多”,应该用much。
【正确答案】 D
【答案解析】表示定期出版的杂志的第几期,应用issue一词。
【正确答案】 B
【答案解析】此句将婚姻不幸福者与婚姻幸福者和单身成年人做比较。
【正确答案】 A
【答案解析】one another表示“相互”的意思。