写出下列字的笔顺和笔画数。  

奶：                                                                       (    )画  

级：                                                                       (    )画  

可：                                                                       (    )画  

阳：                                                                       (    )画  

青：                                                                       (    )画  

成：                                                                       (    )画

再：                                                                       (    )画  

象：                                                                       (    )画  

北：                                                                       (    )画  

跳：                                                                       (    )画  

快：                                                                       (    )画  

连：                                                                       (    )画

不属于丙酮酸酵解终产物的是（）

A.2，3-丁二醇

B.乙醇

C.丁酸

D.琥珀酸

E.异丙醇