单项选择题

The researchers have come up with numerous explanations to ______ their failures.

A. excuse
B. justify
C. admit
D. avoid
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单项选择题
The winter was ______ cold, causing great hardship to the poorer people in this are
a.A. exceptionallyB. explosivelyC. extensivelyD. expressively
单项选择题
Retail sales volume in local urban and rural areas rose 57.8% and 46.8% ______ last year.
A. individually
B. respectively
C. correspondingly
D. accordingly
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