将代数式x2+6x+2化成(x+p)2+q的形式为______.
x2+6x+2=x2+6x+9-9+2=(x+3)2-7.
故答案为:(x+3)2-7.
A study shows that students living in non-smoking dormitories are less likely to ________ the habit of smoking.
A.pick up
B.turn up
C.draw up
D.make up
我国新闻法的渊源是哪些?