单项选择题

The tragedy could have been ______ if the crew had followed safety procedures,

A．interfered
B．averted
C．intervened
D．distracted
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单项选择题
Cuts in prices for milk, butter, and cheese will be ______ by direct payments to farmers.
A．offset
B．quenched
C．participated
D．reclaimed
单项选择题
______ market research has shown that most Americans prefer environmentally-friendly products.
A．Nasty
B．Neat
C．Preliminary
D．Prior
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