解词，并解释其中加粗的字。    

(l)油光可鉴：                                                                       

(2)抑扬顿挫：                                                                   

(3)模胡：                                                                   

(4)掌故：                                                                   

(5)匿名：                                                                   

(6)诘责：                                                                   

(7)凄然：                                                                   

(8)杳无消息：                                                                   

(9)适值：                                                              

如图是一个不完整的图示，请你帮助完成．

（1）①就是受精卵______的过程．

（2）②就是细胞______的过程．

（3）这个图总结了生物体的______．