[填空题]His services have been ______ by his employers, they have not properly rewarded him. (look)

[填空题]His services have been ______ by his employers, they have not properly rewarded him. (look)

[单项选择]The greatest recent social changes have been in the lives of women. During the twentieth century there has been a remarkable shortening of the time of a woman’s life spent in caring for children. 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. 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 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 retirement at sixty. Even while she has the care of children, her work is lightened by modem living conditions.
This important change in women’s life-pattern has only rece
A. at about twenty-five
B. in their early fifties
C. as soon as possible after they were fifteen
D. at any age from fifteen to forty-five

[多项选择]Calories
For years now, calories have been all the rage—people are counting them and cutting them, and you’d be hard-pressed to find something at the supermarket that does not list its calories per serving somewhere on the package. But have you ever wondered what exactly a calorie is
What Is a CalorieTo save energy for an unexpected situation, your body stores an accumulation of ______.