如题图所示一钢筋混凝土水塔，有六根支柱支承。各层重力代表值Gi见下表，已知设防烈度7

I like _____ a lot, and my mother usually cooks it in different ways.[ ]

A. fish

B. butter

C. potatoes

D. noodles

She was so upset by the accident that she couldn't ________ to explain just what happened. [ ]

A. settle down  

B. take down

C. put down  

D. bring down

动环监控系统数据管理软件的主要功能有（）

A、数据迁移

B、数据备份

C、数据恢复和

D、空间检测功能

滚珠螺纹双圆弧滚道的接触角为30°。( )

属于三焦经，宜张口直刺的腧穴是（）

A.听宫

B.耳门

C.上关

D.下关

E.翳风