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句型转换She is fourteen.. (对划线部分提问) ____ is she ?It is a bus.(改为复数形式) They ____ .It’s my ruler.(改为否定句)It __________ my __________.____ He has a big nose. (变为一般疑问句) _________ he __________ a big nose?____ This is my schoolbag. (改为同义句)This schoolbag is __________.____
若集合A={x|x2-9x<0,x∈N*},B={y|4y∈N*},则A∩B中元素个数为 ( )
“情愿做野草, 等着地下的火烧”这句诗表明鲁迅先生的态度是( )