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【单选题】
The peak years of psychedelic rock were 1967’s Summer of Love and 1969’s Woodstock Festival. About these two events, which one is not true?A.
Summer of Love in 1967 was a time when young people in America got together to question the society in which they grew up.
B.
That famous summer attracted over 100, 000 young people flocking to San Francisco to enjoy a summer of drugs, sex and rock & roll.
C.
Woodstock Festival in 1969 attracted over 400, 000 people to attend.
D.
In Woodstock Festival, many Hippies took drugs, which caused a lot of fighting and violence.
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A.
林格曼黑度2级：30min内出现2级林格曼黑度时间超过2min
B.
林格曼黑度2级：30min内出现2级林格曼黑度时间超过3min
C.
林格曼黑度4级：30min内出现4级林格曼黑度时间超过2min
D.
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