下列各项，属于生物的是（ ）
A．恐龙化石
B．蘑菇
C．珊瑚虫的骨骼
D．会弹琴的机器人
生物的共同特征有：①生物的生活需要营养；②生物能进行呼吸；③生物能排出身体内产生的废物；④生物能对外界刺激作出反应；⑤生物能生长和繁殖；⑥生物都有遗传和变异的特性；⑦除病毒以外，生物都是由细胞构成的．蘑菇具有生物的特征，属于生物；恐龙化石、珊瑚虫的骨骼、会弹琴的机器人均不具有生物的特征，不属于生物．
故选：B．
阅读下面的短文，根据短文内容完成表格中所缺信息，每空一词。 Halloween falls on October 31st. It is one of the favourite festivals for children in the West. People dress up in different costumes like a witch, a ghost(鬼) or a skeleton (骷髅). The children go to houses to say “Trick or treat!” The game is so fun. Before, if a child is bad, he or she will get a trick like having a stone in his or her bag instead of (代替) some candy. Nowadays (如今), no one gets tricks. Every child can receive lots of candy. Parties are also popular in the evening. People get to parties in different costumes and play different games. People also listen to ghost stories and watch scary movies. A FUN FESTIVAL
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