阅读理解。

China celebrated the opening of the 2010 World Expo in Shanghai with an evening of fireworks (烟火) and music on April 30.      Just like 2008 Beijing Olympic Games, Shanghai World Expo has given China a chance to show its great progress.

     The theme (主题) of Exp0 2010, "Better City, Better Life," represents the common wish of the whole mankind
for a better living in the future.

The emblem (象徽) stands for the big family of mankind, like three people-you, me, him/her holding hands together, in the shape of the Chinese character "世" (the world).

The mascot (吉祥物) of Expo 2010, Haibao, is a cartoon figure in the shape of the Chinese character "人" (people).

Volunteer logo (标志) includes the Chinese character "心" for heart, the letter "V" and a dove (鸽) of peace carrying an olive branch (橄榄枝).

     The volunteer slogan (口号) for Shanghai World Expo is "At Your Service At Expo". It has three sub-slogans
(副口号)-"My Will, My Help, My Pleasure" "2010, We"re Together As One" and "Our City, Your Joy." 1. The opening of the 2010 World Expo was celebrated in _____ on the _____ of April 30. A. Beijing; morning
B. Shanghai; morning
C. Beijing; evening
D. Shanghai; evening  2. The theme of Expo 2010 is "_____". A. Better City, Better Life
B. Our City, Your Joy
C. My Will, My Help, My Pleasure
D. 2010, We"re Together As One 3. The Expo emblem is in the shape of the Chinese Character "_____". A. 世
B. 人
C. 心
D. 鸽 4. The volunteer slogan for the Expo is "At Your Service At Expo" with _____ sub-slogans. A. two
B. three
C. four
D. five