To impose computer technology () teachers is to create an environment that is not conducive to learning.

单项选择题From 1965 to 1978 American consumer prices increased at an average annual rate of 5.7 percent. This ominous shift was followed by consumer price gains of 13.3 percent in 1979.（）

A. promising
B. overwhelming
C. threatening
D. astonishing

单项选择题Playing a major role in the economic life of the United States, （）.

A. women currently make up 46 percent of the work force
B. currently women make up 46 percent of the work force
C. the work force is currently made up of 46 percent women
D. 46 percent of the work force is currently made up of women