图的DFS和BFS的时间复杂度相同，当用邻接矩阵存储时，时间复杂度均为O(n^2)，而当用邻接表存储时，时间复杂度为O(n+e)。
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完成课本188页应用题第（1）题，画出图6.32的邻接矩阵，邻接表。（最好拍照上传答案）
Which of the following statements about zodiac sign is not true according to the text ?
A. It is a 12-year cycle labeled with animals.
B. It starts with a Tat and ends with a Pig.
C. It is not relevent to constellations.
D. It is similar to Greco-Roman zodiac.
Which year is the Year of the Dragon?
A. 1975
B. 2010
C. 2012
D. 2015
Which of the following is not true according to the text?
A. Chinese Dragon symbolizes power, strength and wealth.
B. Goat is considered as an “unlucky” zodiac sign in Chinese culture.
C. Horse is another zodiac sign Chinese people pursue a lot.
D. Pig and Tiger are natural enemies in Chinese tradition.
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