单项选择题 Back then, when unemployment fell below 6.5%, inflation ______ .upB、shut downC、took offD、put on

单项选择题 Put another way, the upshift in productivity means, remarkably, that rising profits, growing wages, and low inflation can ______as they have not in the past 25 years.

单项选择题 At each step along the way, economic pessimists warned that the economy was about to tumble into a yawning ______ .