When was the communist party of China established?
A. 1911
B. 1921
C. 1931
D. 1949
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Which is the highest building in the world?
A. Shanghai Oriental TV Tower
B. Shanghai World Financial Center
C. Eiffel Tower
Dubai Tower
Where do the British royal family live and work?
A. Westminster
B. Capitol
C. Buckingham Palace
D. Sallo Paulo cathedral
先张法施工中锚具是构成钢筋砼构件的一个组成部分。
A. 对
B. 错
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