填空题

Energy Star
ENERGY STAR IS a   (16)   program
LESS ENERGY to perform   (17)   tasks
WHEN NOT IN USE automatically enter a   (18)   mode
NEW SPECIFICATIONS make it more   (19)   to earn ENERGY STAR
QUALIFED OFFICE AND IMAGING PRODUCTS use   (20)   %less electricity than standard equipment
SAVE AMERICANS MORE THAN   (21)   billion dollars
REDUCE GAS EMISSIONS equal to about 7 million   (22)  
21()

【参考答案】

E
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单项选择题
40()

A.from
B.by
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15()