根据句意和所给的首字母完成单词
（1）In most parts of China, students r____  bikes to school.
（2） My family will take the t____  to Beijing next week.
（3） It's around 1,500 k____  from Beijing to Tianjin.
（4） They had a q____ meal and then went to school in a hurry.
（5） She is i____  in hospital. Let's go to see her after school.
（6）The e____  bird catches the worm.
（7）There is no m____  of getting there.  
（8） English is a b____ to the world.
（9）We must be in the same b____  to overcome the difficulty.
（10）Whether(是否) we'll go for a picnic d____  on the weather.

____，君知其难也。（《烛之武退秦师》）

在法律上，“不作为”行为的实质在于（  ）

（Ⅰ）若点P恰为线段AB的中点，求直线l的方程；

（Ⅱ）若 $\overrightarrow{AP}$ = $2\overrightarrow{PB}$ ，求直线l的方程．