There are __________ kinds of special foods mentioned in the passage.

A． two B. three C. four D. five

[单选题]In the following kinds of graphs, which one's adjacency matrix is symmetric?A．Directed graphB．Undirected graphC．AOV networkD．AOE network

[单选题]is the special kind of food for the Spring Festival in China. A． Chicken B. Dumpling C. Fish

[单选题]What is special about the battery?A． It is built in an iPhone.B． It is the smallest of its kind.C． It can also be used as a charger.D． It keeps power for about 30 days.

[单选题]What is special about the battery?A． It is built in an iPhone.B． It is the smallest of its kind.C． It can also be used as a charger.D． It keeps power for about 30 days.

[单选题]What are the special foods for the Dragon Boat Festival?A．rice dumplingsB．dumplingsC．chocolatesD．moocakes

[单选题]What are the special Folk Customs on the Spring Festival?A．eat mooncakeB．putting up spring coupletsC．giving children ed evelopes or red packetsD．wearing new clothes

[单选题]What are the special foods for the Spring Festival?A．eggB．rice dumplingsC．breadD．dumplings

[单选题]What are the special Folk Customs on the Mid-autumn Festival?A．worship family ancestorsB．putting up spring coupletsC．giving children red envelopes or red packetsD．enjoying the beauty of the bright moon

[单选题]What are the special foods for on the Mid-autumn Festival?A．mooncakeB．rice dumplingsC．dumplingsD．red egg

[单选题]What are the special Folk Customs on the Dragon Boat Festival?A．holding dragon boat racesB．enjoying the beauty of the bright moonC．giving children red envelopes or red packetsD．lighting flying lanterns