What made Maxime decide to train her daughter on the track?
A:Her success and lessons in her career.
B:Her interest in Shelly-Ann’s quick profit.
C:Her wish to get Shelly-Ann out of poverty.
D:Her early entrance into the sprinting world.
有若干只鸡和兔子,它们共有88个头,244只脚,鸡和兔子各有( )只.
某树脂的一段链节结构为:合成它用了三种单体,这三种单体的结构简式分别是 ____ ____ ____
选出你所听到的词语( )