以下方法通常不是我们获得URL的途径的是（）。
A.报刊杂志
B.专门书籍
C.互相推荐
D.字典
参考答案：D
When the book，Twilight，was first ________，it was immediately well received by readers.
A．brought up
B．brought down
C．brought about
D．brought out
什么是煤气短路？
