单项选择题
A.resided B.dwelled C.lingered D.delayed
The post-World War II baby ()resulted in a 43 percent i...
单项选择题The post-World War II baby ()resulted in a 43 percent increase in the number of teenagers in the 1960s and 1970s.
A.boost B.boom C.production D.prosperity
These continual ()in temperature make it impossible to ...
单项选择题These continual ()in temperature make it impossible to decide what to wear.
A.transitions B.transformations C.exchanges D.fluctuations
In mountainous regions, much of the snow that falls is ...
单项选择题In mountainous regions, much of the snow that falls is ()into ice.
A.dispersed B.embodied C.compiled D.compacted