A:ρ甲<ρ乙,F甲=F乙
B:P甲=P乙,ρ甲>ρ乙
C:P甲>P乙,ρ甲>ρ乙
D:P甲=P乙,F甲=F乙
植物体吸收水分的主要部位,散失水分的”门户“依次是( )
⑴New Year____ A. in January or February
⑵Chinese New Year____ B. on the third Sunday in June
⑶Mother's day____ C. on 1st January
⑷Father's day____ D. on the second Sunday in May
⑸Children's day____ E. on 1st June
读《朝花夕拾》,《藤野先生》中作者弃医从文的原因是:( )