练习：
1. A by B at C on D for
2. A never B often C ever D now
3. A and B but C yet D unless
4. A to B no C do D go
5. A us B him C you D them
6. A strength B labor C abuse D exercise
7. A hope B fear C wait D look
8. A violence B attitude C friendship D stress
9. A younger B junior C senior D older
10. A normal B necessary C domestic D foreign
11. A enjoyed B experienced C performed D committed
12. A this B those C that D one
13. A women B people C adults D children
14. A from B than C except D despite
15. A victims B participants C researchers D partners
答案与题解：
1.B look at表示“观察、研究”。
2.B根据上下文可以推断，此处应选表示“经常”意思的often一词。
3.A这句话的意思是：“他们经常不说而我们也不问”。所以应用and一词连接两个并列成分。
4.C本段中的第一句已经出现过do experience的用法，表示“的确经历过”。
5.D前面出现的是men一词，与其对应的应是them.
6.C前面出现了physical abuse，与其并列自然应是non.physical abuse。
7.B既然是威胁，肯定会令他们为自身安全担忧，而fear for their safety正表示这样的意思。
8.A从第一句中的violence at the hands of an intimate partner就可以推断，此处应选violence一词。
9.D因为前面提到了l8至54岁的男人，因此此处应是55岁及55岁以上的男人。
10.C前面已经多次出现过domestic violence的搭配。
11.B 前面已经多次出现过experience violence这一搭配，而上下文也表明此处表示的意思是男人“遭受的”家庭暴力。
12.C用that指代妇女遭受的physical violence。
13.A因为是在与男人做比较，所以应选women。
14.B本句中前面出现了表示比较的more一词，此处自然应选than一词。
15.C结果只能是“研究者”发现的。
Happy Marriage, Happy Heart
Happily married people have lower blood pressure 1 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 2 people1 , according to the study.
"There seem to be some unique health benefits from marriage. It's not just being married 3 benefits health - what's really the most protective of health is having a happy 4 " 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 5 adults who wore portable blood-pressure monitors for 24 hours. The 6 recorded blood pressure at random intervals2 and provided a total of about 72 readings.
"We wanted to capture participants' blood pressure doing whatever they normally 7 in everyday life3. Getting one or two readings in a clinic is not really 8 of the fluctuations that occur throughout the day,"4 Holt-Lunstad said.
Overall, happily married people scored four points 9 on the blood pressure readings than single adults. The study also found that blood __ 10__ among married people – especially those in happy marriages -__11 __more during sleep than in single people.
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