答案与题解：
1.B从短文的题目可以得知，世界各地的人们在其中年时达到痛苦与沮丧的高峰。
2.A短语regardless of是固定搭配，意思是“不管，不顾”。
3.C显然，空格处应选shape一词，“U shape”表示u形的。
4.C表示几十岁，应用介词in。
5.A短文通篇谈的是mental health，所以此处应填mental。
6.D本句话的意思是：调查结果是在综合了若干不同的幸福数据来源得出的。
7.B从上下文可以得知，空格处应填表示“进行”意思的conducted一词。
8.C前面一句中出现了表示“涉及”多少人的involving一词，此处仍应选这样一个词
9.A表示年龄应用years of age这样的短语。
10.B从本句的后半句可以得知，男女之间在幸福低点方面存在着“性别”差异。
11.B本句前面出现了cheerful people，此处应与其对应，在unhappy后面添people。
12.A前面曾出现过“U形”，显然此处应填表示“曲线”的curve一词
Is Your Child's Stomach Pain All in His Head?
We all know there are times that kids seem to complain l a stomach ache to get out of1 chores or going to school. Don't be so sure that the pain they__2__is all in their minds2. We're learning more now about a condition 3 " functional abdominal pain" that is experienced by millions of kids every day.
Like many teenagers, Kyle Brust makes it a point to do his homework: as 4 as he gets home. Unlike most, Kyle often did his with a terrible stomach ache. In fact, the 5 often started while he was at school, but getting help there was getting harder.
"Some of my teachers wouldn't let me go, because I'd asked so many times before and they thought I was trying to get out of 6__ ," says Kyle.
Kyle's mom Marilyn says she couldn't blame the 7 . After all, she'd taken him to the doctor several times herself, and even they couldn't find anything__8__
"You know, you're running the tests and nothing's coming up4. So, is it in his head, is he just an extremely stressful child? It's just frustrating 9 we're not finding any answers," says Marilyn.
It turns out Kyle was suffering from a condition known __10__ functional abdominal pain, that affects as many as one out of every ten kids in this country. Even __11__the cause of the pain may not be obvious, there are real consequences.
"It really does hurt, and these kids really do suffer," says Dr. Campo, MD at Nationwide
Children's Hospital. To help __12__, Campo is looking into a new approach. He's conducting clinical trials of an antidepressant that changes the way the body handles a chemical called
serotonin. In a preliminary study, Dr. Campo found that in about eight out of ten __13__, the drug normally used to treat emotional pain worked to ease the pain in the __14__
"We think about it as being important in anxiety and depression and that's all quite true, but
what's really interesting is that 95% of our body's serotonin is in our gut," says Campo.
Campo believes these kids have extremely sensitive intestines, and controlling the effects of
serotonin may __15__ ease the pain. It seemed to work for Kyle, who is now completely pain free for the first time in years.
词汇：
Chore n.零星活儿 gut n.下消化道，肠;胃
Antidepressant n.抗抑郁药 intestine n.肠
Serotonin n.血清素
上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] 下一页
责任编辑：wangpeng6151
