均热段与加热段之间炉顶压下的作用是（）。
A.便于控制均热段温度和压力
B.便于识别分段
C.便于炉顶检修
参考答案：A
点B（0，﹣4）在直线y=﹣x+b图象上，则b=（ ）．
The Da Vinci Code is _____ that many people go to see it. [ ]
A. too interesting
B. so a interesting film
C. such an interesting film
D. such interesting a film
