某工业企业下设供水、供电两个辅助生产车间，采用交互分配法进行辅助生产费用的分配。20

亚急性重型肝炎的病变特点为（）。

A.点状坏死

B.碎片状坏死

C.桥接坏死

D.弥漫性大块坏死

E.亚大块坏死伴结节状再生

木瓜具有的功效是

A．活血通经

B．舒筋活络

C．行气化湿

D．温里散寒

E．软坚散结

根据句意及汉语提示，写出各单词的正确形式，每空一词。

小题1:A beautiful princess is reading      (故事) to the children in the garden.

小题2:Chinese President Xi Jinping met some foreign reporters and      (回答) to their questions.

小题3:One of the difficulties we have in       （学习) English is how to remember new words and expressions.

小题4:In Kunming violence affair (昆明暴恐事件)，more than 130 people were hurt, and 29 people were      （死亡).

小题5:The YOG volunteers go for a meeting every     (星期三) these months. They hope to help the visitors from different countries better.

滑动摩擦力的大小与______和______有关，其方向与______的方向相反．

往复压缩机主要部件由曲轴箱、汽缸、中体、曲轴、连杆、十字头、活塞、活塞杆、气阀、填料密封构成。