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76.B (the White House and H1N1 )
77.C (To Lucy and To Lily)
78.C (But the girls have their own things to do. They make their beds and clean their rooms. They set their own alarm clocks and go to bed at 8 p.m.)
79.B(Barack Obama(奥巴马), is the new American president.)
80.B(Health experts(专家) advise people to wash their hands frequently(不断地), to cover coughs and sneezes and to stay home if they feel ill.)
A,C,C,B,A
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76.B 77.C 78.C 79.B 80.B
b cabb
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