Question

A migraine（偏头痛）can cause disabling pain. People may not feel back to normal for hours or even days. Migraines are most common among young adults and middle-aged people. In the United States, about eighteen percent of women and six percent of men report having migraines.

People who suffer from migraines can find that different “triggers（诱因）”in different people may get a headache started. Stress can act as a trigger. So can chocolate in some people. Many migraine sufferers say hot weather and low barometric pressure（大气压）can act as triggers. But researchers say they do not have much scientific evidence of that — until now.

 In a new study, a team examined the medical records of seven thousand hospital patients. The patients had visited the emergency room at Beth Israel Deaconess Medical Center in Boston, Massachusetts, because of a headache. More than two thousand of them had been found to have a migraine.

 The team then compared those records to weather conditions in the twenty-four hours before the hospital visits. For every increase of five degrees centigrade in air temperature, the patients had a seven and one-half percent higher risk of migraine. Decreases in barometric pressure two to three days before the visit also appeared to trigger headaches.

 The researchers found no evidence that air pollution influenced headaches. But they could not rule out the possibility of a smaller effect.

 A separate study has found that age, gender and where a person has extra body fat may affect the risk of migraine. It found that overweight people between the ages of twenty and fifty-five may have a higher risk. On average, those who were larger around the middle were more likely to have migraines than those of the same age with smaller waistlines.

 The study involved twenty-two thousand people. It was led by Lee Peterlin. She says early results suggest that losing weight in the stomach area may help younger people who experience migraines, especially women.

41. From the first paragraph, we can infer a migraine can ________.

A. make people unable to walk

B. prevent people acting normally

C. cause people to leave home for days

D. get people to suffer from mental disorder

42. The underlined word “that” in Paragraph 2 refers to ________.

A. chocolate acting as a trigger

B. stress acting as a trigger

C. hot weather and low barometric pressure acting as triggers

D. high air pressure acting as a trigger

43. According to the passage, headaches are influenced least by ________.

A. body weight                  B. barometric pressure

C. air temperature                  D. air pollution

44. In the opinion of Lee Peterlin, a person who has a migraine should ________.

A. avoid gathering fat in the stomach area

B. eat more sweet food every day

C. stay warm in good weather

D. keep away from noisy places

45. Which of the following is TRUE according to the passage?

A. Overweight people may have a lower risk of migraines.

B. Weather is linked to migraines.

C. Migraines are a headache for many people.

D. Women suffer more migraines than men do.

Answer 1

这是一篇有关健康话题的文章。偏头痛给人带来很大的痛苦，那么为什么会引起它的发作呢？压力、巧克力等都能引发偏头痛。最新的研究表明，天气和肥胖也会造成偏头痛。

41. 【解析】选B。推理判断题。从第一段中的“A migraine can cause disabling pain. People may not feel back to normal for hours or even days. ”可知，偏头痛会使一个人感到丧失能力，并且有的人需要几个小时甚至几天才能恢复正常，所以答案为B。

42. 【解析】选C。词义猜测题。根据第二段中的“. . . hot weather and low barometric pressure can act as triggers. ”可知that指的是炎热的天气和低气压也可以引起偏头痛，所以答案为C。

43. 【解析】选D。细节理解题。根据第五段中的“The researchers found no evidence that air pollution influenced headaches. ”可知研究人员没有找到空气污染会影响头痛的证据，所以答案为D。

44. 【解析】选A。细节理解题。由最后一段中的It was led by Lee Peterlin. She says early results suggest that losing weight in the stomach area may help younger people who experience migraines, especially women. 可知腰部减肥会有助于减轻偏头痛症状，所以要尽量减少脂肪的摄入量，故选A。

45.【解析】选B。细节理解题。由第二段可知天气与偏头痛之间有联系，所以B项符合文章意思。