[简答题]Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly (although your eyelids are closed).

[填空题]A study shows that men who eat tomato products twice a week could probably avoid developing prostate cancer by one third in comparison with those ______ .

[单项选择]

The subject of my study is a woman who is initiating social change in a small region in Texas. The women are Mexican Americans who are, or were, migrant agricultural workers. There is more than one kind of innovation at work in the region, of course, but I have chosen to focus on three related patterns of family behavior.
The pattern I lifestyle represents how migrant farm workers of all nationalities lived in the past and how many continue to live. I treat this pattern as a baseline with which to compare the changes represented by pattern II and III. Families in pattern I work and travel in ex tended kin units, with the eldest male occupying the position of authority. Families are large7 Eight or nine children are not unusual And all members are economic contributors in this strategy of family migration. Families in pattern II manifest some differences in behavior while still maintaining aspects of pattern I. They continue to migrate but on a reduced scale, often modifyi
A. A Survey of Three Mexican - American Families at Work in Texas
B. Innovative Career Women: Effects on Family Unity
C. Changes in the Life - styles of Migrant Mexican - American Families
D. Farming of Family: The Unavoidable Choice for Migrant Farm Workers

[填空题]My research is an in-depth study of 39 people who changed them or were in the process of trying to change careers. Determining the magnitude of any.
34 work transition is very highly subjective. Who, apart from the person who has
35 lived life through it, can say whether a shift is radical or incremental After
36 interviewing the dozens of people who were making very different kinds of
37 career moves, I settled on a three-part definition of career change. Some of
38 the people in my study made significant changes in the context where in
39 which they worked, most typically were jumping from large, established firms
40 to small, entrepreneurial organizations or to self-employment or between the
41 for-profit and nonprofit sectors. Others made major changes in the content of
42 the work, sometimes leaving behind occupations, such as medicine, law or
43 academia, that they had trained for themselves extensively. The majority made
44 significan