对于原发性肝癌的转移，下列哪项提法不正确（） A.肝内血行转移发生最早，也最常见 B

花椒，落叶灌木或小乔木，多刺，喜光，耐寒，耐旱，果实需人工采摘，可用作调料、药材。武都素有“千年椒乡”之称，古书有“蜀椒出武都”的记载。据图文资料完成下列问题。

小题1:与四川盆地相比，武都生产花椒的气候条件优越的主要原因有

①纬度较高 ②海拔较高 ③位于夏季风迎风坡 ④年温差较小

A．①②

B．②③

C．③④

D．①④小题2:目前，武都花椒生产成本不断攀升的主要原因是

A．交通不便

B．人力成本上升

C．土质退化

D．种植面积扩大

  Jack is a schoolboy. He小题1: c______ from England. This year, he is thirteen years old. He 小题2:l_______ in a small town near London(伦敦). He lives with his grandmother. His parents 小题3:w________ in London. They come back home to visit Jack at 小题4:w_______. Jack小题5:g______to school by bike every day. At school, he likes studying all the 小题6:l_______. He is good 小题7:a_____ English. He listens to the teachers carefully(认真) in class. He works very hard at his lessons. After school, he does his小题8:h ______. He 小题9:w________ TV only on Sunday evening. Jack is a good boy and his parents 小题10:l_____him.

一本物理书放在水平桌面上，在下列各对力中，彼此平衡的是（　　）

A．书受到的重力与书对桌面的压力

B．书受到的重力与地面对桌子的支持力

C．书对桌面的压力与桌面对书的支持力

D．书受到的重力与桌面对书的支持力

dynamin (发动蛋白)

应收账款日常管理主要有哪些工作？