【单选题】在法律运行过程中,( )是法律运行的起始性和关键性环节。
【判断题】RadioButton必须在RadioGroup组件中才能实现单选功能
【简答题】流经薄壁小孔的流量与 的一次方成正比,与 的1/2次方成正比。通过小孔的流量对 不敏感,因此薄壁小孔常用作可调节流阀。
【多选题】关于RadioButton说法正确的是
A.
RadioButton是用来形成互斥效果的控件
B.
RadioButton是CheckBox的子类
C.
同一个布局中的两个RadioButton不一定具有互斥效果
D.
同一个RadioGroup中的两个RadioButton具有互斥效果
【简答题】液流流经薄壁小孔的流量与小孔通流面积的一次方成正比,与____的1/2次方成正比。
【单选题】According to Paragraph 3, why did ice climbers make changes to equipment alpine climbers used?
A.
Because ice climbing is more dangerous than Alpine climbing.
B.
Because there are some new difficulties in ice climbing.
C.
Because ice climbers wanted to find more excitements.
D.
Because ice climbers wanted to ensure more safe climbing.
【简答题】A.To indicate how climbers communicated B.To show that climbers enjoyed many comforts C.To show that modem telephones work at high altitudes D.To emphasize how small some equipment had become