The world seems to be going diet crazy, and yet our nation’s obesity rate has shot up year after year. And, it’s not only the over 20 population that has to worry about their weight anymore. Children from kindergarten to twelfth grade are also experiencing the problems of an overweight lifestyle.
What should be done to improve students’ awareness of the importance of a healthy diet.（）
During the twentieth century there has been a great change in the lives of women. A woman marrying at the end of the nineteenth century would probably have been in her middle twenties, and would be likely to have seven or eight children, of whom four or five lived till they were five years old. (76) By the time the youngest was fifteen, the mother would have been in her early fifties and would expect to live a further twenty years, during which chance and health made it unusual for her to get paid work. Today women marry younger and have fewer children. Usually a woman’s youngest child will be fifteen when she is forty-five and can be expected to live another thirty-five years and is likely to take paid work until sixty.
This important change in women’s life has only recently begun to have its full effect on women’s economic position. Even a few years ago most girls left school and took a full-time job. However, when they married, they usually lef
A. plays a greater role in looking after their children
B. helps his wife by doing more housework
C. feels dissatisfied with his role in the family
D. takes a part-time job so that he can help in the home
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The Evolution of the Photofit{{/B}} Security technology: A new type of computerised photofit system takes a novel evolutionary approach to generating images of suspects. If you have ever tried to describe someone’s face in detail, you will understand why the "photofit" composite images used by the police look so dodgy. In recent years, computerised "E-Fit" systems have helped improve the accuracy of these images by allowing witnesses to choose from a wider range of facial features. But researchers at the University of Stirling in Scotland found that, despite these improvements, people still have a hard time constructing recognisable faces--especially if there is a delay of more The problem is that people tend to recoguise faces as whole entities, ra A. B. Square B. C. Square C. D. Square [判断题]倒闸操作时发令人和受令人应先互报单位和姓名，发布指令的全过程（包括对方复诵指令）和听取指令的报告时，高压指令和低压指令应录音并做好记录。
A.正确 B.错误 [单选题]如乘务员手册版本号为02-04,则代表( )
A.本手册为第二版发行，此页为第四次修订 B.本手册为2004年发行，此页为第二次修订 C.本手册为2002年发行，此页为第四次修订 D.本手册为第四版发行，此页为第二次修订 [判断题]借用已有线路做软跨放线时，使用的绳索应符合承重安全系数要求。
A.正确 B.错误 [单选题] 低压带电作业时,作业范围内回路的()动作保护装置应投入运行。
A.电流 B.剩余电流 C.直流电流 D.全部电流 [判断题]因施工或钢轨伤损插轨处理需断开无缝线路时，断开前应拧紧两端各不少于25m 线路扣件.
A.正确 B.错误 [单项选择]三叉神经痛治疗首选的方法（）.
A. 加巴喷丁 B. B族维生素 C. 封闭治疗 D. 半月神经节射频电凝疗法 E. 三叉神经微血管减压术 我来回答: 提交
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