The language has always changed, but the rate of change has been uneven; minor changes have slowly accumulated in every generation, but there have been period of rapid change as well. The most important of these periods occurred during the two hundred and fifty years after 1066, the year the Normans conquered England.（）

单项选择题Beliefs about the relationship between humanity and the natural environment can be directly correlated with conceptions held regarding the role science and technology play in mediating that relationship. The interdependence of these beliefs with perceptions of the environmental impacts of science and technology are central in the notions held with regard to the future role of science and technology.（）

A. regarding
B. play in mediating
C. are central in
D. with regard to

单项选择题Money, time and health concerns loom largely in the poll of more than 1,100 women who have at least one living parent. About 20 % said they were very happy. More than half of the women were concerned about an elderly relative’s health. Those who had sick relatives were much more likely to feel depressed and to worry about having enough time for family member.（）

A. loom largely in the poll of more than 1,100 women who have at least one living parent
B. an elderly relative’s
C. worry about
D. having enough time