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问题 单项选择题

患儿，男，10个月。咳嗽、发热7天，气喘2天；呼吸急促，两肺有细湿啰音和哮鸣音，心率140次/分，腹软，肝肋下1.5cm；X线胸片：两肺中下野有小点片状阴影，两侧肋骨骨骺端膨大呈杯口状改变；白细胞14.5×10/L，中性粒细胞0.75，淋巴细胞0.25，可能诊断为（）

A.肺炎合并心力衰竭

B.肺炎伴佝偻病

C.支气管炎伴肋骨畸形

D.急性毛细支气管炎伴佝偻病

E.肺炎

答案

参考答案：B

解析：患儿有典型的肺炎症状、体征和X线表现，可诊断为肺炎；患儿为维生素D缺乏性佝偻病好发年龄，并且X线表现肋骨骨骺端膨大呈杯口状改变，可诊断佝偻病。故应诊断该患儿为肺炎伴佝偻病。

单项选择题

这家商场越办越差，现在每天去购物的顾客（）。

A．寥寥无几

B．门可罗雀

C．人迹罕至

D． * * 攘往
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Less education, income linked to obesity in women, not men


Women who are better educated and live in households that are middle-income or above are less likely to be obese than women who are less educated and live in the lowest income households, new government research shows.
Among men, there is not a statistically significant (26) in obesity based on income and very (27) difference based on education, the data show.
(28) , about one in three U.S. adults-almost 73 million people-are obese, which is (29) 30 or more pounds over a (30) weight. Extra weight raises the (31) of diabetes, heart disease, some types of cancer and other (32) .
"There is a relationship between obesity and income, but it’s not a (33) story," says Cynthia Ogden, an epidemiologist with the National Center for Health Statistics, part of the Centers for Disease Control and Prevention.
"When looking at these two (34) of socioeconomic status-income and education-their (35) is greater on women than men," she says.
Jennifer Lovejoy, president of the Obesity Society, says that (36) -income women may be more likely to become obese because of environmental (37) such as lack of access to safe places to do physical activity and easy access to fast food.
Among the findings:
·29% of women who live in households with an annual income of $77,000 or more for a family of four are obese in opposition (38) 42% of women who live in households with an annual income below $29,000 for a family of four.
·23% of women with a college degree are obese, significantly less than the 42% of women with (39) than a high school education.
·33% of men who live in households with an annual income of $77,000 or more for a family of four are obese, (40) 29% of men who live in households with an annual income below $29,000 for a family of four are obese. This difference is not considered statistically (41) .
The analysis is based on (42) from the National Health and Nutrition Examination Survey, which is considered the gold (43) for evaluating obesity because it is a(an) (44) survey of people whose weight and height are actually (45) rather than being self-reported.

A. roughly B. actually C. gradually D. frankly
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