已知点P是不等式组所表示的可行域内的一动点,则点P到抛物线的焦点F的距离的最小值是 .
Chinese government (提供) tents and medicine for Sri Lanka the week before last.
Teenagers should be encouraged to make (决定)by themselves.
A new shopping centre will be built (对面)the city hall.
I'm sure if you ask her for help, Alice won't (拒绝).
One Belt One Road is (广泛) accepted in the world.