2014年职称英语综合类完形填空训练试题(10)

　　We all know there are times that kids seem to complain ___51 __ a stomach ache to get out of chores or going to school. Don't be so sure that the pain they 52 is all in their minds. We're learning more now about a condition 53 "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 54 as he gets home. Unlike most, Kyle often did his with a terrible stomach ache. In fact, the 55 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 __56 __ ," says Kyle.

　　Kyle's mom Marilyn says she couldn't blame the _57 ___ After all, she'd taken him to the doctor several times herself, and even they couldn't find anything _58 __ "You know, you're running the tests and nothing's coming up. So, is it in his head, is he just an extremely stressful child? It's just frustrating 59 we're not finding any answers," says Marilyn.

　　It turns out Kyle was suffering from a condition known __ 60 __ functional abdominal pain, that affects as many as one out of every ten kids in this country. Even __ 61 __ 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 __ 62 ___, 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 __ 63 __, the drug normally used to treat emotional pain worked to ease the pain in the __ 64 __

　　"We think about it as being important in anxiety and depression and that's all quite tree, 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 __ 65 __ ease the pain. It seemed to work for Kyle, who is now completely pain free for the first time in years.