遇上瞬时停电，转化炉不用熄火操作，大幅度降温即可。
参考答案：对
下列各项可以作为幻灯片背景的是（）。
A.图案
B.图片
C.纹理
D.以上都可以
—What do you think of the film called Inception《盗梦空间》?
—The film is full of suspense (悬念). I should say the screen-writer is really ______.
A．generous
B．helpful
C．imaginative
D．personal
