"Research has shown that people whose blood pressure remains high throughout the night are at__12__greater risk of heart disease than people whose blood pressure drops," Holt-Lunstad said.
The study was published in the March 20__13__of the journal Annals of Behavioral Medicine.
The study also found that unhappily married adults have higher blood pressure than__14__happily married and single adults.
Holt-Lunstad noted that married couples can encourage healthy habits in one __15 such as eating a healthy diet and having regular doctor visits. People in happy marriages also have a source of emotional support, she said.
词汇：
Singles n.未婚成人 annals n.年刊
Fluctuation n.波动
注释：
1.On the other hand，even having a supportive social network did not translate into a blood pressure benefit for singles 0;unhappily married people：另一方面，对单身成人或者是婚姻不幸福的人来说，即使有着良好的社交圈也不会转化为有助于血压的益处。
2.at random intervals：间隔时间不固定
3.We wanted to capture participants’ blood pressure doing whatever they normally do in everyday life：我们希望捕捉实验对象在从事其日常生活中通常所做任何事情时的血压。
4.Getting one or two readings in a clinic is not really representative of the fluctuations that occur throughout the day：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。
练习：
1. A from B to C than D by
2. A married B engaged C linked D loved
3. A which B that C this D what
4. A life B marriage C partner D spouse
5. A young B old C single D experienced
6. A monitors B doctors C nurses D researchers
7. A take B do C make D want
8. A supportive B active C representative D protective
9. A most B lower C higher D least
10. A pressure B speed C level D flow
11. A stopped B dropped C rose D ran
12. A more B some C much D any
13. A page B number C copy D issue
14. A nor B both C neither D either
15. A another B each C other D every
答案与题解：
1.C 本句用了表示比较的lower一词，因此空格处只能选than一词。
2.A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。
3.B本句是一个强调句型结构。
4.B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。
5.C从上下文可以得知，研究对象包括已婚和未婚的成年人。
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