问题补充：
—The advertisement says this kind of camera is wonderful.
—Oh, don’t just believe the advertisement. The camera is it says.
A. as good as
B. not as good as
C. as well as
D. not as well as
答案：
A. as good as
(答案→)B. not as good as
C. as well as
D. not as well as
解析：good是形容词，好的；well一般用作副词，好地。用作形容词表示身体健康。句意：广告说这种相机非常不错。——哦，不要只相信广告。这部相机不像说的那样好。结合前文系动词is可知此处为形容词作表语，故选B。
