A:①③
B:①④
C:②③
D:②④
She has a dog____ Eddie.
在下列食品①酸奶②米酒 ③面包 的生产过程中,需要用到细菌或真菌的是( )
The good news quickly in our school and we all know it now.
如图所示,垂直于纸面的匀强磁场局限在虚线框内,闭合线圈由位置1穿过虚线框运动到位置2,线圈在运动过程中什么时候有感应电流,什么时候没有感应电流?为什么?
①Tracy friend bicycle thirteen ropes see you talk about him
②how old are you I am nine years old