There is no that the Chinese people will present to the world a successful, splendid and unforgettable exposition（博览会）.
A. belief
B. doubt
C. possibility
D. need
网友回答
A. belief
(答案→)B. doubt
C. possibility
D. need
解析：词义辨析。belief 信仰；doubt疑问； possibility 可能；need需要。句意：无疑中国人会呈献给世界一个成功的，宏伟而难忘的博览会。故选B。