托福词汇怎么背？从题目中理解是最好的方式之一。本托福词汇节选自TOEFL词汇题精选440题，希望对考生们的备考有所帮助。
Within a very short time, however, the incongruity of playing lively music to a solemn film became apparent, and film pianists began to take some care in matching their pieces to the mood of the film.
The word "solemn" is closest in meaning to which of following?
(A) simple
(B) serious
(C) short
(D) silent
正确答案：B