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？
