单项选择题

It is also because new technologies that have improved industrial productivity have made ______ and layoffs possible as well.

A．lessened
B．lessening
C．downsizing
D．downsized
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单项选择题
46, The bill would establish protection against — and criminal and civil penalties for — the improper ______of protected patient information.
A．discovery
B．disappearance
C．disclosing
D．disclosure
单项选择题
There are numerous studies showing that, in an efficient market, returns from stocks are determined by two factors, interest rates and the effectiveness of economic projects ______.the enterprises whose shares investors purchase.
A．underlined in
B．undergone through
C．undermined by
D．undertaken by
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