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

“节能减排”是可持续发展的一项重要举措。下列图标中，属于节能标志的是[ ]

A.

B.

C.

D.